The Cushion,ear, cataloged under National Stock Number 5965-01-643-9240, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Surefire, Llc Dba Surefire Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-643-9240 |
| Primary Part Number | ST-EP7-COMPLY-ST-3L |
| Item Name | Cushion,ear |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Surefire, Llc Dba Surefire Llc |
| Status | ACTIVE |
| Body Style | EARPHONE CUSHION, CIRCULAR |
| Material | PLASTIC FOAM EARPHONE CUSHION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST-EP7-COMPLY-ST-3L PRIMARY | Surefire, Llc Dba Surefire Llc (USA) |
NSN 5965-01-643-9240 is a Cushion,ear, manufactured by Surefire, Llc Dba Surefire Llc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-643-9240 has 1 manufacturer part number on file: ST-EP7-COMPLY-ST-3L (Surefire, Llc Dba Surefire Llc).
Key specifications for ST-EP7-COMPLY-ST-3L: Body Style: EARPHONE CUSHION, CIRCULAR; Special Features: DESCRIPTION: SIZE: LARGE HOME HEARING PROTECTION SUREFIRE EP7 SONIC DEF ENDER ULTRA COMPLY CANAL TIPS; OFFICIAL REPLACEMENT FOR THE DISPOSABLE MEMORYFOAM TIPS; TAPERED FOR DEEPER INSERTION; CONFORMS TO YOUR EAR CANAL AND MAIN TAINS AN ACOUSTIC SEAL; PROVIDING A NOISE REDUCTION RATING (NRR) OF 28DB. DB; Material: PLASTIC FOAM EARPHONE CUSHION. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.