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0.252in. and 0.260in. ⁓17/64"
0.489in.
0.077in.
mrap RG-33
heavy helical spring lock washer
steel
phosphate
DOD-P-16232, type m. class 1 mil spec single treatment response
split HELICAL-Right hand
Split helical-right hand
Steel
0.077 inches
0.489 inches maximum
0.252 inches minimum and 0.260 inches maximum
Schedule B number: 8710000090
nmfc 194160
Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
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).
Used on mrap rg-33. split helical-right hand phosphate surface treated heavy helical spring lock washer 0.077" material thickness 0.489" outside diameter 0.252" hole diameter
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