Part Details | HEARING PROTECTOR
4240-01-050-4631 An item consisting of two earcups, each of which are filled with sound attenuating material. It is designed to completely cover the wearer's ears and protect them from high intensity sound. It may include a headband or it may be designed for mounting onto headware, such as a helmet. For items containing EARPHONES, see HEADSET, ELECTRICAL and HEADSET-MICROPHONE. For items designed to be inserted into the ear, see PLUG, EAR.
Alternate Parts: 85462, 3303031, 330-3031, 1776K, HM2, HM-2, 2000H, 4240-01-050-4631, 01-050-4631, 4240010504631, 010504631
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 42 | NOV 07, 1977 | 01-050-4631 | 42204 ( PROTECTOR, HEARING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4240-01-050-4631
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 85462 | 88309 | AEARO COMPANY |
| 330-3031 | 88309 | AEARO COMPANY |
| 1776K | 88309 | AEARO COMPANY |
| HM-2 | 09729 | E. D. BULLARD COMPANY |
| 2000H | 63984 | SQUARE D COMONROE PLANT |
Technical Data | NSN 4240-01-050-4631
| Characteristic | Specifications |
|---|---|
| SPECIAL FEATURES | DESIGNED FOR USE W/SAFETY HELMET, SOUND ATTENUATION 18.2 DB AT 250 HZ, 33.8 DB AT 8000 HZ, FULLY DIELECTIC |