Cres, mil-s-81591, composition 1c-304 irregularly shaped, 1.047 in. Lg, 0.875 in. W, 0.796 in. H, two through holes spaced 0.500 in. C to c 0.120 in. Min, 0.124 in. Max dia, counterbored on both sides, one through hole 0.500 in. Dia, used on flying outfit, high altitude part number ap22s6a
No other part numbers with same form, fit, and function found.
Classification: Military wearing apparel of all types and materials, including footwear and headwear
NSN 6220-01-118-3976
NSN 5975-01-123-8811
NSN 6145-01-456-8069
NSN 6620-01-072-9372
NSN 5945-01-342-1618
NSN 5975-00-336-1208
NSN 6645-00-216-6126
NSN 5975-00-082-0894
NSN 6650-01-386-6711
NSN 5925-01-160-7609
NSN 5990-01-130-4959
NSN 5965-01-555-6124