Critical hardness
NSN 6145-01-516-3955
NSN 5925-01-107-1951
NSN 6645-00-079-1430
NSN 6130-01-512-0767
NSN 6105-00-384-1693
NSN 6320-01-622-5493
NSN 6685-00-647-3883
NSN 5990-00-924-8024
NSN 4140-01-025-7404
NSN 6150-00-432-7625
NSN 6220-01-038-0418
NSN 6650-00-707-1417
Last Updated: 04/30/2024