The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-020-5590, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-020-5590 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Flange Mounting Hole Diameter | 0.130 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 1, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Distance Between Mounting Hole Centers | 1.625 INCHES NOMINAL IN |
| Flange Thickness | 0.040 INCHES NOMINAL IN |
| Flange Length | 2.250 INCHES NOMINAL IN |
| Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM SPRING |
| Material | STEEL SPRING |
| Material | ALUMINUM ALLOY MOUNTING PLATE |
| Nonmetallic Hardness Rating | 40.0 NOMINAL SHORE DUROMETER A |
| 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 |
|---|---|
| 90-3287-11 | 3/2 Design control — primary reference U.S. Government activity |
| 302289-1 | 5/9 Secondary reference Whittaker Corp Whittaker Electronic Systems Div |
| 302289-1 | 5/9 Secondary reference Edo |
NSN 5342-01-020-5590 is a Mount,resilient,weapon System, classified under FSC 5342, Hardware, Weapon System. Status: active.
Key specifications for 5342-01-020-5590: Flange Mounting Hole Diameter: 0.130 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 1, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE SPRING; Distance Between Mounting Hole Centers: 1.625 INCHES NOMINAL IN; Flange Thickness: 0.040 INCHES NOMINAL IN. 10 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.