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 6145-01-023-1526
NSN 5999-01-612-1596
NSN 5910-01-099-9522
NSN 5855-00-323-0967
NSN 6145-01-628-3285
NSN 6685-00-900-2655
NSN 6645-01-411-5657
NSN 5985-00-683-5592
NSN 7035-00-834-2090
NSN 5998-01-442-7743
NSN 5935-01-149-4644
NSN 6105-00-421-3144