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 6645-01-613-2053
NSN 6150-01-452-2376
NSN 5965-01-573-8438
NSN 5950-01-453-7312
NSN 5975-01-246-3114
NSN 7035-01-235-2295
NSN 5895-01-629-5573
NSN 6220-00-622-0563
NSN 6110-00-776-5961
NSN 6645-01-384-0628
NSN 5895-00-717-6158
NSN 5855-01-069-4742