Part Details | HEARING PROTECTOR
4240-01-509-2531 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: GA3100, 4240-01-509-2531, 01-509-2531, 4240015092531, 015092531
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
42 | JUN 17, 2003 | 01-509-2531 | 42204 ( PROTECTOR, HEARING ) |
REFERENCE DRAWINGS & PICTURES
HEADSET, COVERED

Cross Reference | NSN 4240-01-509-2531
Part Number | Cage Code | Manufacturer |
---|---|---|
GA3100 | 55719 | IDSC HOLDINGS LLCDBA SNAP-ON INDUSTRIAL |
Technical Data | NSN 4240-01-509-2531
Characteristic | Specifications |
---|---|
BODY STYLE | HEADSET, COVERED |
SPECIAL FEATURES | NOISE REDUCTION RATING OF 31 DB; CUSHIONED HEADBAND AND EARPIECES; EACH EARPIECE ADJUSTS UP TO 1.250 INCH ALONG THE WIRE FRAME EXTENDING FROM THE HEADBAND; EAR PROTECTORS WEIGH 0.250 LB; CONTROLLING AGENCY NOMENCLATURE PROTECTORS, EAR, HEADPHONE STYLE |