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 6685-00-341-1877
NSN 5998-01-227-5822
NSN 6130-00-259-1697
NSN 5910-00-466-2252
NSN 5975-01-504-9352
NSN 5945-00-168-1304
NSN 5960-00-729-3648
NSN 5925-01-392-0881
NSN 5965-00-408-5501
NSN 6105-01-159-1897
NSN 5910-01-422-9760
NSN 6610-01-487-8879