The threads are npt. Has cutting edges to insure grounding.
NSN 2925-01-037-5383
NSN 6135-00-715-4001
NSN 5985-00-382-2781
NSN 5999-01-323-7053
NSN 5985-01-259-4314
NSN 6685-01-311-0385
NSN 5945-00-526-0310
NSN 5998-00-939-1341
NSN 5905-01-634-0595
NSN 6610-00-664-2190
NSN 6620-00-229-2728
NSN 5855-00-237-4088
Last Updated: 02/28/2025