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0.258in. and 0.261in. ⁓17/64"
0.438in. and 0.442in.
0.100in.
style VARIES-No split in washer/ heat treat to 160, 000-180, 000 psi per HT-21/serrations per 85Z100-16/ magnetic particle inspect per ps IT-61/dia after plating 0.439-0.444
steel comp 4340
serrated
Serrated
Steel comp 4340
0.100 inches
0.438 inches minimum and 0.442 inches maximum
0.258 inches minimum and 0.261 inches maximum
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).
serrated style varies-no split in washer/ heat treat to 160, 000-180, 000 psi per ht-21/serrations per 85Z100-16/ magnetic particle inspect per ps it-61/dia after plating 0.439-0.444 0.100" material thickness 0.438" outside diameter 0.258" hole diameter
1. | 4-40129-1 | Cage 76823 |
Nothing similar to this part number was found in our inventory
A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces