Serving our customers with quality and safety first.
0.260in. and 0.270in. ⁓9/32"
0.454in. and 0.464in.
0.075in. and 0.095in.
40.0 rockwell c and 46.0 rockwell c
32.0 microinches all surfaces
spherical radius 0.290 in. min 0.310 in. ma, countersink dia 0.332 in. min 0.342 in. max, countersink depth 0.025 in., recess angle 89 deg min 91 deg max
steel comp 8740 or steel comp 4130
MIL-S-6049 mil spec 1st material response or MIL-S-6758 mil spec 2nd material response or MIL-S-18729 mil spec 2nd material response
cadmium and chromate
QQ-P-416, ty 2, cl 3 fed spec single treatment response
convex
Convex
Steel comp 8740 or steel comp 4130
0.075 inches minimum and 0.095 inches maximum
0.454 inches minimum and 0.464 inches maximum
0.260 inches minimum and 0.270 inches maximum
Schedule B number: 7318220000
nmfc 093486
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).
convex cadmium surface treated spherical radius 0.290 in. min 0.310 in. ma, countersink dia 0.332 in. min 0.342 in. max, countersink depth 0.025 in., recess angle 89 deg min 91 deg max 0.075" material thickness 0.454" outside diameter 0.260" hole diameter
1. | MIL-W-45595/6 | Cage 81349 |
2. | K39781-4 | Cage 15653 |
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 raised to form a curved or spherical contour. see also washer (1), concave. excludes bearing, washer thrust.