The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-271-6583, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Lord Corporation Dba Lord Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5342-01-271-6583 |
| Primary Part Number | J-18998-2 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Lord Corporation Dba Lord Corp |
| Status | ACTIVE |
| Material Document and Classification | ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER |
| Material | RUBBER SILICONE CLASS Q INNER MEMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| J-18998-2 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| 717612940-002 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 717612040-002 | 5/9 Secondary reference Lockheed Martin Corporation |
| 25267-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-01-271-6583 is a Mount,resilient,weapon System, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-271-6583 has 2 manufacturer part numbers on file: J-18998-2 (Lord Corporation Dba Lord Corp), 717612940-002 (Lockheed Martin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-539-9446. Verify interchangeability with system specifications before substitution.
Key specifications for J-18998-2: Material Document and Classification: ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER; Material: RUBBER SILICONE CLASS Q INNER MEMBER. 2 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.
NSN 5342-01-271-6583 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.