20tg suspension; v30 constant flow breathing tube assembly; belt; outer lens; sole source required by statute 6.302; niosh approval tc-19c-314
No other part numbers with same form, fit, and function found.
NSN 5935-01-177-4923
NSN 5999-01-188-4393
NSN 6650-01-433-3056
NSN 6620-00-626-5719
NSN 5895-00-987-1933
NSN 5930-01-627-3213
NSN 5930-01-516-5735
NSN 5975-01-535-8764
NSN 5998-01-227-8133
NSN 7035-00-631-3782
NSN 5945-01-449-6216
NSN 5920-01-377-3401