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 5905-00-732-4204
NSN 5985-00-485-0614
NSN 5999-00-404-6618
NSN 5930-00-597-2987
NSN 5925-01-361-1525
NSN 6240-00-848-3384
NSN 2925-01-391-9247
NSN 5990-00-578-8297
NSN 6610-00-514-7773
NSN 5990-00-942-1846
NSN 2925-01-649-7543
NSN 5985-01-391-5676