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 5920-01-200-6655
NSN 5930-00-922-1621
NSN 6650-00-224-3223
NSN 6620-01-318-1856
NSN 6150-01-197-8312
NSN 5998-01-428-7824
NSN 6135-01-449-2144
NSN 6150-00-142-9142
NSN 6110-01-025-0507
NSN 6145-00-851-1957
NSN 6645-01-481-4418
NSN 5855-01-346-7682