HH-P-151F, FEDERAL SPECIFICATION: PACKING; RUBBER-SHEET, CLOTH-INSERT (19 JUL 1985) (SUPERSEDING MIL-P-1384]

HH-P-151F, FEDERAL SPECIFICATION: PACKING; RUBBER-SHEET, CLOTH-INSERT (19 JUL 1985) (SUPERSEDING MIL-P-1384]., Cloth-insert, rubber-sheet packing covered by this specification is intended for flange joints for water or brine services up to 250 pounds of pressure and for ventilating systems.