Left hand thread
A metallic/nonmetallic item designed to mate with a regulator body for protection purposes. It may also protect a breathing apparatus component from the regulator when this one has sharp edges. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes.
NSN 5998-01-196-7414
NSN 6240-00-526-0243
NSN 5999-01-334-3663
NSN 2925-00-660-8131
NSN 5990-01-154-3859
NSN 5965-01-181-7715
NSN 6620-01-633-8443
NSN 5945-01-053-5246
NSN 2925-01-633-4048
NSN 5855-01-421-7691
NSN 5925-00-977-5843
NSN 5999-01-476-7482