A ladder of fixed length and requires a means of support. The sidepieces (rails) may be tapered or flared near the bottom.
NSN 6620-01-521-0580
NSN 6620-01-454-8926
NSN 6645-00-404-1785
NSN 5945-01-582-8064
NSN 5910-01-026-6915
NSN 6110-01-112-7655
NSN 5945-01-647-0960
NSN 6320-01-344-6511
NSN 6240-01-265-0960
NSN 5975-00-428-1683
NSN 5935-01-353-5509
NSN 6650-01-590-2641