The Mount,resilient,utility, cataloged under National Stock Number 5340-01-550-7889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Atlantic India Rubber Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-550-7889 |
| Primary Part Number | 6821-4 |
| Item Name | Mount,resilient,utility |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Atlantic India Rubber Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6821-4 PRIMARY | Atlantic India Rubber Co Inc (USA) |
NSN 5340-01-550-7889 is a Mount,resilient,utility, manufactured by Atlantic India Rubber Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-550-7889 has 1 manufacturer part number on file: 6821-4 (Atlantic India Rubber Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-588-8542. Verify interchangeability with system specifications before substitution.
Key specifications for 6821-4: Special Features: QUANTITY 4; Part Name Assigned by Controlling Agency: MOUNT,RESILIENT,GEN; End Item Identification: NSN: 4120-01-516-4715. 0 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.