Specifications of Association of American Railroads promulgated by its Purchases and Materials Management Division (Revised 1973)

(2) Axles, Steel.
Solid car and/or locomotive friction bearing, 8 inch diameter and under (free of axles with key-way between wheel seats, no axles of shorter lengths than distance between wheel seats to be included).

(2A) Axles, Steel.
Solid car and/or locomotive friction bearing over 8 inch diameter (free of axles with key-way between wheel seats, no axles of shorter length than distance between wheel seats to be included).

(3) Axles, Steel.
Roller bearing 8 inch diameter and under (no axles of shorter lengths than distance between wheel seats to be included).

(3A) Axles, Steel.
Roller bearing over 8 inch diameter (no axles of shorter length than distance between wheel seats to be included).

(4) Spikes, Track Bolts and Nuts, and Lock Washers, may include Rail Anchors.

(5) Tie Plates.
Steel.

(6) Rail Joints, Angle and/or Splice Bars.
Steel.

(9) Bolsters and/or Truck Sides, Frames: Uncut.
Cast steel.

(11) Cast Steel, No. 2.
Steel castings, over 18 inches wide and/or over 5 feet long.

(11A) Cast Steel, No. 1.
Steel castings, 18 inches and under, not over 5 feet long, including cut truck side frames and bolsters.

(12) Cast Iron, No. 1.
Cast iron scrap, such as columns, pipes, plates, and/or castings of miscellaneous nature, but free from stove plates, brake shoes, and burnt scrap. Must be cupola size, not over 24 x 30 inches in dimension and no piece to weigh over 150 pounds. Must be free from foreign material.

(13) Cast Iron, No. 2.
Pieces weighing over 150 pounds, but not more than 500 pounds. Free from burnt cast.

(14) Cast Iron, No. 3.
Pieces weighing over 500 pounds; includes cylinders, driving wheel centers and/or all other castings. (Free from hammer blocks or bases.)

(15) Cast Iron, No. 4.
Burnt cast iron scrap, such as grate bars, stove parts and/or miscellaneous burnt scrap.

(16) Cast Iron Brake Shoes.
Brakes shoes of all types except composition-filled shoes.

(17) Couplers and/or Knuckles.
Railroad car and/or locomotive steel couplers, knuckles and/or locks stripped clean of all other attachments.

(18) Frogs and/or Switches, uncut.
Steel frogs and switches that have not been cut apart, exclusive of manganese.

(18A) Railbound Manganese Frogs and Switch Points with manganese inserts that have not been cut apart.
(23) Malleable.
Malleable parts of automobiles, railroad cars, locomotive and/or miscellaneous malleable castings.

(24) Melting Steel, Railroad No. 1.
Clean wrought iron or steel scrap, 1/4 inch and over in thickness, not over 18 inches in width, and not over 5 feet in length. May include pipe ends and material 1/8 inch to 1/4 inch in thickness, not over 15 inches x 15 inches. Individual pieces cut so as to lie reasonably flat in charging box.

(27) Rail, Steel No. 1.
Standard section tee rails, original weight 50 pounds per yard or heavier, 10 feet long and over. Suitable for rerolling into bars and shapes. Free from bent and twisted rails, frog, switch, and guard rails, or rails with split heads and broken flanges. Continuous welded rail may be included provided no weld is over 9 inches from the end of the piece of rail.

(28A) Rail, Steel No. 2 Cropped Rail Ends.
Standard section, original weight of 50 pounds per yard and over, 18 inches long and under.

(28B) Rail, Steel No. 2 Cropped Rail Ends.
Standard section, original weight of 50 pounds per yard and over, 2 feet long and under.

(28C) Rail, Steel No. 2 Cropped Rail Ends.
Standard section, original weight 50 pounds per yard and over, 3 feet long and under.

 (29) Rail, Steel No. 3.
Standard section tee, girder, and/or guard rails, to be free from frog and switch rails not cut apart, and contain no manganese, cast, welds, or attachments of any kind except angle bars. Free from concrete, dirt, and foreign material of any kind.

(30) Sheet Scrap, No. 1.
Under 3/16 inch thick, may include hoops, band iron and/or steel, scoops and/or shovels (free of wood). Must be free from burnt or metal coated material, cushion, or other similar springs.

(31) Sheet Scrap, No. 2.
Galvanized or tinned material and/or gas retorts, and/or any other iron or steel material not otherwise classified.

(32) Steel, Tool.
(Specify kind in offering.)

(33) Steel, Manganese.
All kinds of manganese, rail, guard rails, frogs and/or switch points, cut or uncut.

(34) Steel, Spring.
Coil and/or elliptical, minimum thickness 1/4 inch, may be assembled or cut apart.

(34A) Steel, Spring.
Coil only.

(35) Structural, Wrought Iron and/or Steel Uncut.
All steel or steel mixed with iron from bridges, structures and/or equipment that has not been cut apart, may include uncut bolsters, brakebeams, steel trucks, underframes, channel bars, steel bridge plates, frog and/or crossing plates and/or other steel of similar character.

(36) Tires.
All locomotive, not cut to specified lengths.

(38) Turnings. No. 1.
Heavy turnings from wrought iron and/or steel railroad axles or heavy forgings and/or rail chips, to weigh not less than 75 pounds per cubic foot. Free from dirt or other foreign material of any kind. Alloy steel scrap may be excluded from these specifications by mutual agreement between buyer and seller.

(38A) Turnings, Drillings and/or Borings. No. 2.
Cast, wrought, steel and/or malleable iron borings, turnings and/or drillings mixed with other metals.

(40) Wheels, No. 1.
Cast iron car wheels.

(42) Wheels, No. 3.
Solid cast steel, forged, pressed and/or rolled steel car and/or locomotive wheels, not over 42 inches diameter. (Specify kind in offering.)

(45) Destroyed Steel Cars.
Bodies of steel cars cut apart sufficiently to load. (Specify kind.)

(45A) Destroyed Steel Car Sides and Box Car Roofs.
Cut to a maximum length of... and a maximum width of... suitable for use in super presses and shears without additional preparation.