A ladder of fixed length and requires a means of support. The sidepieces (rails) may be tapered or flared near the bottom.
NSN 5996-00-225-3286
NSN 6645-01-118-5300
NSN 5965-01-523-8737
NSN 5996-01-062-0807
NSN 6685-01-445-1055
NSN 6220-00-429-6652
NSN 6105-00-466-9880
NSN 6650-01-441-1258
NSN 5975-01-563-0146
NSN 6135-01-597-7685
NSN 6145-01-395-7748
NSN 5975-01-535-1124