Material is high density polyetheline
An item constructed of various materials in various styles and cross-sectional shapes specifically designed as a closing device for a shipping and storage container (as modified). It may have handles and/or eyes to aid in removal. See also cover (1), shipping and storage drum ammunition, nuclear ordnance and guided missile except ammunition, nuclear ordnance and guided missile.
NSN 6130-01-502-9155
NSN 5990-01-293-4817
NSN 6220-01-313-8975
NSN 5905-00-305-6976
NSN 5998-01-367-6477
NSN 5910-01-189-2450
NSN 5990-01-045-2129
NSN 6610-01-090-5908
NSN 5935-01-190-6729
NSN 6620-00-115-9050
NSN 6220-01-524-6759
NSN 6145-01-136-9639