The Plug,ear, cataloged under National Stock Number 6515-01-413-7414, is classified within Federal Supply Class 6515 (Medical and Surgical Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Szy Holdings, Llc Dba Szy Holdings Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6515-01-413-7414 |
| Primary Part Number | 311-1115 |
| Item Name | Plug,ear |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Szy Holdings, Llc Dba Szy Holdings Llc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | LOW U/I NSN. MANUFACTURE 3M CAGE 76381 PART NUMBER 311-1115 ONLY SELLS IN 400 EA. THIS NSN IS PURCHASED FROM DISTRIBUTORS IN U/I OF 100 EA. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 311-1115 | Szy Holdings, Llc Dba Szy Holdings Llc (USA) |
| A403330 | Arbill Industries Inc Div Arbill (USA) |
| Reference | Meaning |
|---|---|
| 311-1115 | 5/9 Secondary reference Brock Sales Company |
| 06-0027 | 5/1 Secondary reference U.S. Government activity |
| 311-1115 | 5/9 Secondary reference Safeware Inc |
| EAR EXPRESS POD PLUGS | 5/9 Secondary reference Brock Sales Company |
| 311-1115 | 3/1 Design control — primary reference 3m Company |
NSN 6515-01-413-7414 is a Plug,ear, manufactured by Szy Holdings, Llc Dba Szy Holdings Llc, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-413-7414 has 2 manufacturer part numbers on file: 311-1115 (Szy Holdings, Llc Dba Szy Holdings Llc), A403330 (Arbill Industries Inc Div Arbill).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-533-2310. Verify interchangeability with system specifications before substitution.
Key specifications for 311-1115: Special Features: EAR EXPRESS POD PLUGS WITH ASSORTED COLORS W/GRIPS AND CORD; ELIMINATES THE FEAR OF HAND-TO-EAR CONTAMINATION BY USING THE SOFT FLEXIBLE GRIPS FOR EASY INSERTION AND REMOVAL; SLOW RECOVERY FOAM INSERTS EASILY AND STAYS IN PLACE; DESIGNED FOR EXCELLENT ATTENUATION ON THE JOB; Part Name Assigned by Controlling Agency: EAR PLUGS EXPRESS POD PLUGS WITH GRIP AND CORD 100PR; Reference Number Differentiating Characteristics: LOW U/I NSN. MANUFACTURE 3M CAGE 76381 PART NUMBER 311-1115 ONLY SELLS IN 400 EA. THIS NSN IS PURCHASED FROM DISTRIBUTORS IN U/I OF 100 EA.. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.