A ladder of fixed length and requires a means of support. The sidepieces (rails) may be tapered or flared near the bottom.
NSN 6645-00-418-2133
NSN 5965-01-009-2238
NSN 5999-00-432-5771
NSN 5905-00-233-7653
NSN 5960-01-281-5437
NSN 6620-00-530-3939
NSN 5965-01-083-8006
NSN 6105-00-914-6616
NSN 5930-01-018-3938
NSN 5895-01-593-0145
NSN 7035-00-517-8232
NSN 5895-00-153-0086