The Plug,ear, cataloged under National Stock Number 4240-01-710-4612, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is 3m Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-710-4612 |
| Primary Part Number | 1120 |
| Item Name | Plug,ear |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Disposition After Initial Use | DISPOSABLE |
| Specification/standard Data | AS/NZS 1270 CLASS 4 GOVERNMENT STANDARD |
| Connector Type | SELF-FIT |
| Material | FOAM (USE MRC ASWC) |
| 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 |
|---|---|
| 1120 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| 1120 | 3/9 Design control — primary reference 3m Company Div Oh&esd |
NSN 4240-01-710-4612 is a Plug,ear, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-710-4612 has 1 manufacturer part number on file: 1120 (3m Company).
Key specifications for 1120: Disposition After Initial Use: DISPOSABLE; Specification/standard Data: AS/NZS 1270 CLASS 4 GOVERNMENT STANDARD; Connector Type: SELF-FIT; Special Features: 200 PAIR/BOX, ORDER CODE AT010561085. 4 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.