Serving our customers with quality and safety first.
0.256in. and 0.276in. ⁓9/32"
0.427in. and 0.447in.
0.458in. and 0.478in.
145000 pounds per square inch
63.0 microinches bottom
63.0 microinches top
countersink 45.0 deg, 0.035 in. min, 0.045 in. max, opposite concave
steel comp E4340
MIL-S-5000 mil spec single material response
cadmium and chromate
QQ-P-416, TY2, CL2 fed spec single treatment response
concave
Concave
Steel comp e4340
0.458 inches minimum and 0.478 inches maximum
0.256 inches minimum and 0.276 inches maximum
Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel
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).
concave cadmium surface treated countersink 45.0 deg, 0.035 in. min, 0.045 in. max, opposite concave 0.458" outside diameter 0.256" hole diameter
Nothing similar to this part number was found in our inventory
A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. see also washer (1), convex. excludes washer (1), recessed and bearing, washer, thrust.