MIL-S-24660, MILITARY SPECIFICATION: SPRINKLER HEAD, 180 DEGREES, FULL CONE (10-OCT-1985)

MIL-S-24660, MILITARY SPECIFICATION: SPRINKLER HEAD, 180 DEGREES, FULL CONE (10-OCT-1985)., This specification covers 180 degree full cone sprinkler heads. Sprinkler heads shall be for pendent or upright installation in overhead sprinkler systems.