The Plug,ear, cataloged under National Stock Number 6515-01-362-0300, 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 3m Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: BX.
| Parameter | Value |
|---|---|
| NSN | 6515-01-362-0300 |
| Primary Part Number | 340-4002 |
| Item Name | Plug,ear |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Material | PLASTIC |
| 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 | BX |
| Part Number | Manufacturer |
|---|---|
| 340-4002 PRIMARY | 3m Company (USA) |
| 765631 | Mckesson Corporation (USA) |
| 7000002322 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| 34-4002 | 3/9 Design control — primary reference Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear |
| 1642143 | 5/1 Secondary reference U.S. Government activity |
| 6515NCM228817 | 5/1 Secondary reference Defense Medical Standardization Board |
| 34-4002 | 5/9 Secondary reference 3m Company |
NSN 6515-01-362-0300 is a Plug,ear, manufactured by 3m Company, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-362-0300 has 3 manufacturer part numbers on file: 340-4002 (3m Company), 765631 (Mckesson Corporation), 7000002322 (3m Company).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-566-9609, 5999-01-581-2632. Verify interchangeability with system specifications before substitution.
Key specifications for 340-4002: Special Features: PREMOLDED, TRIPLE FLANGE EARPLUGS FIT COMFORTABLY IN A WIDE RANGE OF EAR SIZES, ONE SIZE FITS MOST. NO ROLL INSERTION, ABS/ELASTOMERIC POLYMER IS WASHABLE AND REUSABLE, REDUCING BOTH WASTE AND COSTS, NOISE REDUCTION RATING (NRR) 25 DB. CSA CLASS AL, CARRYING CASE KEEPS EARPLUGS CLEAN AND ACCESSIBLE FOR RE-USE DB; Part Name Assigned by Controlling Agency: PLUG, EAR ULTRA FIT W/CORD 50PR/BX; Material: PLASTIC. 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.