336 890 211, Interspiro Bypass Breathing Valve. Overrides the normal automatic function of the pressure demand valve in breathing apparatus. Used on Interspiro Self Contained Breathing Apparatus 336-890-302. 25 available. NSN 4240014072849
Price: $75.00Domestic Shipping: $5.00, Call for International Shipping.
| Manufacturer | Interspiro |
| Mfg Number | 336 890 211 |
| NSN | 4240-01-407-2849 |
| Condition | New |
| Surplusman No. | 165-1164-457 |
