Sleeve type lock (u.S. Forest service fire cache), embossed serial no.
A closure device that serves as a check against tampering or unauthorized opening. The seal must be severed or mutilated before entry is possible.
NSN 7035-01-544-9173
NSN 6645-00-580-9605
NSN 5910-00-816-9909
NSN 6240-01-522-5973
NSN 5965-00-163-5113
NSN 5925-00-522-2593
NSN 5950-01-535-3967
NSN 6110-00-098-6768
NSN 6105-00-037-0130
NSN 5855-01-658-4510
NSN 5950-00-455-8564
NSN 5945-00-481-8428