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National Stock Number:
4240-01-050-4631
Federal Supply Class:
4240
National Item Identification Number:
010504631
Description:
PROTECTOR,HEARING
Detail:
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.
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Manufacturer Information:
| 1776K | 88309 | AEARO COMPANY | | 2000H | 63984 | SQUARE D CO MONROE PLANT | | HM-2 | 09729 | E. D. BULLARD COMPANY | | 2000H | 88309 | AEARO COMPANY | | 330-3031 | 88309 | AEARO COMPANY | | 85462 | 88309 | AEARO COMPANY |
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Techincal Specification:
| SPECIAL FEATURES | DESIGNED FOR USE W/SAFETY HELMET, SOUND ATTENUATION 18.2 DB AT 250 HZ, 33.8 DB AT 8000 HZ, FULLY DIELECTIC |
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