This specification covers the use of purchasing agencies in formulating specifications for purchases of aviation turbine fuel under contract. This specification defines type Jet B wide-cut aviation turbine fuel intended for use in aircraft that are certified to use such fuel. This fuel has advantages for operations in very low temperature environments compared with other fuels. The aviation turbine fuel shall consist of blends of refined hydrocarbons derived from crude petroleum, natural gasoline, or blends thereof with synthetic hydrocarbons. Additives such as antioxidants, metal deactivator, electrical conductivity additive, leak detection additive, and other additives including biocidal additive and fuel system icing inhibitor, may be added to the aviation turbine fuel in the amount and of the composition specified. The aviation turbine fuel shall conform to the requirements prescribed for the following: aromatics, mercaptan sulfur content, sulfur content, distillation temperature, distillation residue, distillation loss, density, vapor pressure, freezing point, net heat of combustion, smoke point and naphthalene content, copper strip corrosion, thermal stability such as filter pressure drop and tube deposits, existent gum, electrical conductivity, and microseparometer rating. The test methods for determining conformance to these specified requirements are given.

This specification deals with the standard requirements for heat-treated alloy steel axles and solid design roller bearing axles with machined bodies for mass transit and commuter cars in electric and locomotive hauled railway service. Various axle designs are used for this service including motor and non-motor with either inboard or outboard journals. Materials shall be forged, cooled and heat treated by normalizing, liquid quenching, tempering, and straightening. Steels shall conform to chemical composition requirements specified for each of the seven classes considered here. Conformance to mechanical property requirements such as tensile strength, yield strength, elongation, and reduction of area, shall be evaluated by tensile tests. Details of nondestructive ultrasonic and magnetic particle examination procedures are discussed thoroughly. Final axle products shall conform to purchaser-specified size, shape, and finish. Rough machining shall be free of excessively rough ridges and coarse chatter marks, and the finish machined axle surfaces shall be free of injurious imperfections.

This specification covers the material, dimensional ,and performance requirements and associated test methods for thermoplastic tubes and fittings for accessible and replaceable domestic waste connections. The tubes, fittings and mechanical joint components shall be made of either virgin acrylonitrile-butadiene-styrene (ABS) plastic, virgin poly(vinyl chloride) (PVC) plastic, or virgin polypropylene plastic. When evaluated by the test procedures provided herein, the products shall adhere to requirements stipulated for hydrostatic pressure, axial stress, joint integrity, and solvent cement.

This specification covers co extruded composite drain, waste, and vent pipe (DWV). The pipe is produced in Schedule 40 IPS sizes by a co extrusion die system, in which the concentric layers are formed and combined before exiting the die. Coextruded composite drain, waste, and vent pipe, DWV, by definition, is permitted to be produced with two or more layers. The outer layer shall be ABS. The middle layer is permitted to be thermally foamed PVC or solid PVC or a blend of rework material, as specified. The inner layer is permitted to be solid PVC or ABS, or a blend of rework material as specified. The basic material used for pipes is a virgin compound which is used in the outer layer of co extruded composite drain, waste, and vent pipe or (DWV). It shall contain pigments or screening agents to provide protection against UV radiation. Different tests and measurements shall be conducted in order to determine the following properties of pipes: outside diameter, wall thickness, length, pipe flattening, pipe stiffness, impact strength, and bond. The inside and outside surfaces of pipe produced shall be free of chalking, sticky, or tacky material. The surfaces shall be free of excessive bloom. Bloom or chalking may develop in pipe exposed to direct rays of the sun (ultraviolet radiant energy) for extended periods and consequently, these requirements do not apply to pipe after extended exposure to direct rays of the sun. The inside and outside surfaces of pipe shall be free of foreign inclusion or other defects that re visible to the naked eye, and may affect the wall integrity.

This specification covers requirements for polyethylene (PE) pipe and fittings for normal residential and commercial roof drain systems. Material for pipe or fitting shall be made from PE virgin plastic as defined by hydrostatic design stresses and shall contain suitable stabilizers and antioxidants. Pipe and fitting requirements include pipe dimensions, fitting dimensions, chemical resistance, water absorption, system integrity, sealing rings, flattening, impact resistance, workmanship, finish, and appearance. Test methods include test conditions, chemical resistance, water absorption, hydrostatic pressure test, mechanical-joint pullout test, threads, flattening, and impact resistance. Quality and product marking shall also conform to the requirements of this specification.

This specification covers a grade of cyclohexane identified as "cyclohexane 999." The material shall conform to the required purity, benzene content, n-hexane content, methylcyclohexane content, methylcyclopentane content, sulfur content, appearance, color, and distillation range.

This specification covers reinforced concrete low-head pressure pipe. Acceptability of the pipe in all diameters and classes shall be determined by the results of such material tests. The reinforced concrete shall consist of Portland cement, mineral aggregates, and water, in which steel has been embedded in such a manner that the steel and concrete act together. Portland cement shall conform to the requirements specified. Aggregates shall conform to the requirements specified, except that the requirements for grading are waived. Admixtures, except for air-entraining agents, shall not be added to the concrete unless permitted by the owner. Reinforcement shall consist of wire conforming to the requirements prescribed. Steel castings for fittings shall conform to grade 70-36. Steel plates for specials and fittings shall conform to requirements specified. All rubber gaskets shall be extruded or molded and cured in such a manner that any cross section will be dense, homogeneous, and free of porosity, blisters, pitting, and other imperfections. Joints shall utilize steel joint rings, steel bells and concrete spigots, or be formed entirely of concrete. The aggregates shall be graded, proportioned, and thoroughly mixed with the proportions of cementitious material and water that will produce a workable, uniform, homogeneous concrete mixture. Compression tests of cylinders and hydrostatic tests of pipes shall be performed to meet the requirements prescribed.

This specification covers nonreinforced concrete pipe designed for specified strengths and intended to be used for the conveyance of sewage, industrial wastes, and storm water and for the construction of culverts. Strength test and load test shall be made in accordance with the specified requirements.

This specification covers five grades of electric-fusion(arc)-welded straight-seam or helical steel pipe including pipe of NPS 4 and over. The required chemical composition, tensile requirements of the steel, and the tensile requirements of the production welds are presented. Heat analysis of each heat of steel was made to determine the percentage of the elements as per chemical requirements. Tests to be performed shall include one longitudinal tension test for the steel, one reduced-section production weld test for the pipe, and hydrostatic test for each length of the pipe.

This specification covers the design and dimensional requirements for the digestion and distillation apparatus used for the microdetermination of nitrogen by the Kjeldahl method, and modifications thereof at atmospheric pressure. This apparatus is comprised primarily of digestion flasks, micro Kjeldahl digestion rack, one-piece model distillation apparatus, and Pregl (Parnas-Wagner) type distillation apparatus.

This specification applies to electric-fusion (arc)-welded straight seam or spiral seam steel casing pipe with diameter of 10 in. (254 mm) and larger (outside diameter as specified by purchaser) and wall thickness of 0.200 in. (5.1 mm) or greater. It shall be permissible to specify and furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification. The pipe is intended for use as casing or encasement in horizontal underground boring, tunneling, or open trench applications.

This specification covers two styles of "Koch" type glass microburets for general laboratory use. Burets shall be made from Type I, Class A or B glass. Both burets shall have permanently attached stopcocks with either glass plugs, or PTFE plugs. Materials shall be tested and the individual grades shall conform to design requirements with the specified values of capacity, scale length, diameter, outflow time, and tolerance.

This specification covers clamps and clamp holders for use in securing laboratory apparatus to support stands. The clamp and clamp holders are classified into types, sizes and classes and are presented in details. Clamps and clamp holders shall be manufactured from aluminum-base alloy, zinc-base alloy, or cast iron. Fittings such as screws, nuts, and rivets for clamps and clamp holders shall be forged aluminum or chemical-resistant alloy for either aluminum-base alloy or zinc-base alloy clamps and clamp holders. Component springs of clamps shall be phosphor bronze or corrosion-resistant steel. Component sleeves of clamps may be rubber, plastic, fiber glass, non-hazardous minerals, or replaceable plastic.

This specification covers standard dimensional requirements for glass distillation flasks. It includes general purpose flasks and flasks designed for specific tests especially in the petroleum testing area. Distillation flasks shall be of the following types: Type I and Type II. Type II distilling flasks shall be of the following classes: Class 1; Class 2; Class 3; Class 4; and Class 5.

This specification provides the material and performance requirements for glass Dewar flasks suitable for general laboratory use. Flasks shall be made of Type I, Class A borosilicate glass conforming to specified maximum residual thermal stress. The properties to which the flasks shall conform are appearance, design, capacity, and dimensions.

This specification provides standard dimensional requirements for glass filtering flasks suitable for general laboratory use. Glass filter flasks shall be in the following types: Type I, Type II (Class 1 and Class 2), and Type III (Class 1, Class 2, and Class 3). Flasks shall be made of the specified borosilicate glass and shall conform to the prescribed maximum residual thermal stress. The general appearance of the flasks are illustrated. The design for (1) conical flasks including bottom concavity and bottom heel radius, (2) neck finish, and (3) side-arm are specified. Filtering flasks shall conform to the prescribed requirements for (1) capacity; (2) dimensions such as body outside diameter, overall height, rubber stopper size, bottom and heel wall thickness, and base/heel radius; and (4) pressure resistance. Each flask shall be permanently marked with the name or known trademark of the manufacturer and the nominal capacity. There shall be an area on one side of the flask for marking with a pencil.

This specification covers the chemical, mechanical, and metallurgical requirements for wrought and annealed or cold-worked and stress-relieved titanium-3aluminum-2.5vanadium alloy (UNS R56320) seamless tubing to be used in the manufacture of surgical implants. The mill product shall be furnished as descaled or pickled, abrasive blasted, chemically milled, ground, machined, peeled, or polished. Conditions for annealing, cold-working and stress relieving, and surface cleanliness are specified. Heat analysis shall conform to the chemical composition requirements prescribed for: nitrogen, carbon, hydrogen, iron, oxygen, aluminum, vanadium, yttrium, and titanium. The material shall conform to the mechanical property requirements specified for: ultimate tensile strength, yield strength, and elongation. Requirements for tension testing, microstructure, ultrasonic testing, and longitudinal and transverse notch machining are specified as well.