Used on mast head assembly. 0.391" center hole diameter seal, inner gland fan blade type configuration with multiple recessed around aperture on both sides, see navsea 7417617 for size
Used on hoisting unit nsn (1730-01-268-4711) support for mk series bombs sse; wsd consolidated ground support equipment. quad-ring quad-ring 26.64X2.62
Used on consolidated automated support system (cass) usm-636 electrical equipment test system:featgproducttype: o-ring rubber; type: fluorocarbon; inside diameter: 0.489; width: 0.07; material: v0894; durometer:90. navy o-ring