The Plug,ear, cataloged under National Stock Number 6515-01-563-6304, 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 Silynx Communications, Inc.. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6515-01-563-6304 |
| Primary Part Number | ERC000003 |
| Item Name | Plug,ear |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Silynx Communications, Inc. |
| Status | ACTIVE |
| Size | MEDIUM |
| Sterility | NONSTERILE |
| Supplementary Features | COLOR OF EAR PLUG IS ORANGE |
| Disposition After Initial Use | REUSABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2015-2810-03 | Marlborough Communications Limited (GBR) |
| ERC000003 PRIMARY | Silynx Communications, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2015-2810 | 5/1 Secondary reference Marlborough Communications Limited |
NSN 6515-01-563-6304 is a Plug,ear, manufactured by Silynx Communications, Inc., classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-563-6304 has 2 manufacturer part numbers on file: 2015-2810-03 (Marlborough Communications Limited), ERC000003 (Silynx Communications, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-563-6305, 6515-01-563-6306, 6515-01-564-0600. Verify interchangeability with system specifications before substitution.
Key specifications for ERC000003: Size: MEDIUM; Sterility: NONSTERILE; Supplementary Features: COLOR OF EAR PLUG IS ORANGE; Disposition After Initial Use: REUSABLE. 4 specifications are 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.