A-A-59227, COMMERCIAL ITEM DESCRIPTION: COUPLING ASSEMBLY, HOSE, FIRE FIGHTING (18-MAY-1998) [SUPERSEDING WW-C-621G]

A-A-59227, COMMERCIAL ITEM DESCRIPTION: COUPLING ASSEMBLY, HOSE, FIRE FIGHTING (18-MAY-1998) [SUPERSEDING WW-C-621G]., This commercial item description (CID) covers expansion ring couplings, screw-in expander couplings, and self-tightening couplings. The coupling assemblies are used on woven-jacketed rubber- or latex- or rubber-coated, fabric- or thermoplastic resin-lined and unlined fire fighting hoses.