Nosecup kit, mark 2 replacement part, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
No other part numbers with same form, fit, and function found.
NSN 6610-00-785-4054
NSN 2925-00-315-8442
NSN 2925-01-394-5650
NSN 6240-00-840-3647
NSN 5996-01-474-6203
NSN 5855-01-453-6384
NSN 5835-01-474-1224
NSN 5985-01-108-1873
NSN 6150-01-500-1302
NSN 5905-01-157-0527
NSN 5965-01-055-0102
NSN 5985-01-237-3788