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34.0 rockwell c and 38.0 rockwell c
no decarbionization permitted. contains 229 serrations along id. washers made from ST1050 may be used until depleted
black
steel comp 4130 or steel comp 4330
MIL-S-18729 mil spec single material response or AMS6415 national std/spec single material response
oxide film
MIL-C-13924, cl 1 mil std single treatment response
Steel comp 4130 or steel comp 4330
Schedule B number: 7318210000
nmfc 194160
Spring washers and other 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).
oxide film surface treated no decarbionization permitted. contains 229 serrations along id. washers made from ST1050 may be used until depleted
Nothing similar to this part number was found in our inventory
A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.