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| Item Name | Protector Hearing |
| Federal Supply Group (FSG) | Firefighting Rescue and Safety Equipment and Environmental Protection Equipment and Materials |
| Federal Supply Class (FSC) | 4240 Safety and Rescue Equipment |
| National Item Identification Number (NIIN) | 01-050-4631 (010504631) |
| NCB Code | USA (01) |
| Manufacturer | Aearo Company 1 |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | DESIGNED FOR USE W/SAFETY HELMET, SOUND ATTENUATION 18.2 DB AT 250 HZ, 33.8 DB AT 8000 HZ, FULLY DIELECTIC |
| MRC | Decoded Requirement | Clear Text Reply |
| Relevant Components for NSN - 4240-01-050-4631, 4240010504631 | ||||
| 4210-01-041-5160 (4210010415160) | 4210-01-049-3884 (4210010493884) | 4240-01-263-9346 (4240012639346) | 4210-01-294-9974 (4210012949974) | |
| 4210-01-424-8327 (4210014248327) | 4220-01-215-0875 (4220012150875) | 4210-01-166-2332 (4210011662332) | 4220-01-219-4111 (4220012194111) | |
| 4210-01-545-6450 (4210015456450) | 4240-01-587-1400 (4240015871400) | 4240-01-127-4446 (4240011274446) | 4210-00-140-8925 (4210001408925) | |
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