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11.506in. and 11.516in. ⁓11-33/64"
12.320in.
12.680in.
12.010in.
0.480in. and 0.490in.
0.250in.
34.0 rockwell c and 38.0 rockwell c
120.0 degrees
black
steel comp 4340
MIL-S-5000 cond c mil spec single material response
oxide
MIL-C-13924 class 1 mil spec single treatment response
shouldered and recessed
1EA
Shouldered and recessed
Steel comp 4340
0.250 inches
12.680 inches
11.506 inches minimum and 11.516 inches maximum
Schedule B number: 7616108000
nmfc 194160
Cotters, cotter-pins, washers and similar articles, of aluminum
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
shouldered oxide surface treated 0.250" material thickness 12.680" outside diameter 11.506" hole diameter
Nothing similar to this part number was found in our inventory
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.