D-rings velcro back-up; rapid girth size adjustment; shoulder strap adjustment; back tether
No other part numbers with same form, fit, and function found.
NSN 5855-00-323-0967
NSN 6145-01-126-1721
NSN 5999-01-424-2313
NSN 5950-01-628-4557
NSN 4140-01-600-6117
NSN 6685-00-100-1511
NSN 5920-01-599-4432
NSN 5960-00-804-5405
NSN 5925-01-438-2095
NSN 5925-01-167-8144
NSN 5925-00-699-8140
NSN 5998-01-209-6257