4210-00-653-4160 (MIL-L-12197)
NSN 4210-00-653-4160 (NIIN 00-653-4160) is an extension-a-folding fire ladder in Federal Supply Class 4210, Firefighting Equipment — a ladder hinged in the center of each sidepiece. Manufacturer part number MIL-L-12197 (Military Specifications, CAGE 81349); also referenced as S-809-1-D-9 (Sam Carbis Solutions Group, LLC); MIL-L-27488 (Military Specifications); S809-1D13 (Aluminum Ladder Company); 40904 (Werner Co).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $6,291.19 gov standard price; export Schedule B 7616.99.5130. Supersedes 4210-00-563-3570 (1971), 4210-00-125-9007 (1974); related NSN 4210-00-563-3572.