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 6320-01-369-5014
NSN 6320-01-643-0850
NSN 5930-01-411-6534
NSN 6650-00-016-9426
NSN 5915-00-403-9119
NSN 6135-01-482-3989
NSN 5925-01-640-8752
NSN 6150-01-485-0669
NSN 5998-01-335-0558
NSN 5915-01-561-4255
NSN 5975-00-039-6315
NSN 5960-01-543-0235