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Technical Data Sheet
SONIC DEFENDERS LARGE ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLUG,EAR is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: EAR PLUG EP-3 SONIC DEFENDER LARGE 1PR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6515-01-549-6457, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SONIC DEFENDERS LARGE
NSN: 6515-01-549-6457
FSC: 6515
CAGE: 0BJZ8 — SUREFIRE, LLC DBA SUREFIRE LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyEAR PLUG EP-3 SONIC DEFENDER LARGE 1PR
NSN6515-01-549-6457
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,EAR TITLE COMPONENT PN SONIC DEFENDERS LARGE MFR PLUG,EAR
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYEAR PLUG EP-3 SONIC DEFENDER LARGE 1PR
SPECIAL FEATURESEP-3 SONIC DEFENDERS, LARGE, 1 PAIR; 9DB NOISE REDUCTINOS RATING (NRR) WITH STOPPERS OUT; 16DB(NRR)WITH STOPPERS IN, LOWERS POTENTIALLY DANGEROUS NOISE LEVELS ABOVE 80DB; ERGONOMIC DESIGN CONFORMS TO THE NATRUAL SHAPE OF EAR FOR COMFORT AND EARPIECE RETENTION; MADE FROM SOFT, HYPOALLERGENIC, MEDICAL-GRADE POLYMER;LOW-PROFILE DESIGN DB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3454Upgraded Successor
successor cross-reference
successor
13027970Upgraded Successor
successor cross-reference
successor
1CMInterchangeable
interchangeable cross-reference
interchangeable
3454-1Interchangeable
interchangeable cross-reference
interchangeable
5963PL1364819Interchangeable
interchangeable cross-reference
interchangeable
8694Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SONIC DEFENDERS LARGE?
SONIC DEFENDERS LARGE is a PLUG,EAR.
What parts can replace SONIC DEFENDERS LARGE?
There are 17 known substitutes for SONIC DEFENDERS LARGE: 3454, 13027970, 1CM and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SONIC DEFENDERS LARGE?
SONIC DEFENDERS LARGE is cataloged in the Federal Logistics Information System (FLIS) under NSN 6515-01-549-6457. This indicates validated use in U.S. government and defense supply chains.
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