A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.
NSN 4140-01-265-0731
NSN 6105-00-446-9271
NSN 6620-00-868-6482
NSN 6145-01-024-8557
NSN 6320-01-397-9995
NSN 5935-01-080-1411
NSN 5965-00-009-8679
NSN 5999-01-642-9391
NSN 6145-01-493-6364
NSN 5999-01-367-2843
NSN 6130-01-394-5913
NSN 5990-01-258-0512