WW-H-171E (AMENDMENT-1), FEDERAL SPECIFICATION: HANGERS & SUPPORTS, PIPE (05-APR-1978) [FOR CIVIL AGENCIES S/S BY A-A-1192; FOR DOD S/S BY MSS-SP-58, MSS-SP-69, NFPA11, NFPA12, NFPA13, NFPA14, NFPA15, NFPA16 & NFPA17]

WW-H-171E (AMENDMENT-1), FEDERAL SPECIFICATION: HANGERS & SUPPORTS, PIPE (05-APR-1978) [FOR CIVIL AGENCIES S/S BY A-A-1192; FOR DOD S/S BY MSS-SP-58, MSS-SP-69, NFPA11, NFPA12, NFPA13, NFPA14, NFPA15, NFPA16 & NFPA17].