Product Details | HEARING PROTECTOR

4240-00-691-5617 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.

Part Alternates: SB 258, SB258, L3, 10341872 , 4240-00-691-5617, 00-691-5617, 4240006915617, 006915617

Fire Fighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials | Safety and Rescue Equipment

Supply Group (FSG) NSN Assign. NIIN
42 15 DEC 1992 00-691-5617

Drawings & Photos | NSN 4240-00-691-5617


Demand History | NSN 4240-00-691-5617

Part Number Request Date QTY Origin
4240-00-691-5617 2021-12-359 12 PK
4240-00-691-5617 2021-01-04 40 PK
4240-00-691-5617 2020-12-364 40 PK
4240-00-691-5617 2020-12-363 40 PK

Cross Reference | NSN 4240-00-691-5617

Part Number Cage Code Manufacturer
L3 39SU9 HONEYWELL SAFETY PRODUCTS USA, INC DBA HONEYWELL SAFETY PRODUCTS
SB 258 56434 SURVIVAIR CORP SUB OF COMASEC INC
SB 258 79687 DALLOZ SAFETY

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Technical Data | NSN 4240-00-691-5617

Characteristic Specifications
BODY STYLE 8 HEADSET, COVERED

Restrictions/Controls & Freight Information | NSN 4240-00-691-5617

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information

Management | NSN 4240-00-691-5617

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative