The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-017-4021, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5342-01-017-4021 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Distance From Flange to End | 1.179 INCHES MINIMUM AND 1.213 INCHES MAXIMUM IN |
| Thread Size | 5/16-18 ALL THREADED PORTIONS |
| Material | STEEL INNER MEMBER |
| Major Outside Diameter | 1.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 21482-1 | 3/2 Design control — primary reference U.S. Government activity |
| 21482-1/01 | 5/9 Secondary reference U.S. Government activity |
| J13440-1 | 5/9 Secondary reference Lord Corporation Dba Lord Corp |
NSN 5342-01-017-4021 is a Mount,resilient,weapon System, classified under FSC 5342, Hardware, Weapon System. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4810-01-397-2321. Verify interchangeability with system specifications before substitution.
Key specifications for 5342-01-017-4021: Distance From Flange to End: 1.179 INCHES MINIMUM AND 1.213 INCHES MAXIMUM IN; Thread Size: 5/16-18 ALL THREADED PORTIONS; Material: STEEL INNER MEMBER; Major Outside Diameter: 1.250 INCHES NOMINAL IN. 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.