Approx 1.500 in. Lg, 10.750 in. Od, 8.625 in. Id, used on flying outfit, high altitude part number a/p22s6a
Classification: Military wearing apparel of all types and materials, including footwear and headwear
NSN 4140-00-793-5180
NSN 6130-00-111-1320
NSN 6610-01-422-2376
NSN 6610-01-249-3243
NSN 2925-01-357-2512
NSN 5999-01-111-7406
NSN 6685-00-661-2347
NSN 5996-01-508-4599
NSN 6685-01-628-4883
NSN 6650-01-146-5000
NSN 5935-01-468-2705
NSN 5920-01-436-8170