Used on 2355-01-539-3639;lav-25a2 upgrades. 0.386" hole diameter 0.938" outside diameter 0.070" material thickness washer, belleville specific material is 18-8 stainless steel spring tension
Used on 2590-01-558-3273 interrogation arm assembly; mrap - cougar. 0.331" hole diameter 0.512" outside diameter 0.028" material thickness belleville spring lock washer serrated top phosphate surface treated spring tension
1.063" hole diameter 1.496" outside diameter 0.074" material thickness belleville spring lock washer serrated top phosphate surface treated spring tension
Used on 6665-01-452-9643; detection system, biological agent. 0.148" hole diameter 0.216" outside diameter 0.030" material thickness for socket head cap screws number 6; material 18-8 stainless steel split