The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-177-4138, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-177-4138 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Flange Mounting Hole Diameter | 0.201 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 1.937 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | ROUND FOUR-HOLE FLANGE |
| Flange Length | 2.375 INCHES NOMINAL IN |
| Shortest Distance Between Mounting Hole Centers | 1.937 INCHES NOMINAL IN |
| Height | 1.828 INCHES NOMINAL IN |
| Thread Size | 1/4-20UNC-2B ALL THREADED PORTIONS |
| Flange Width | 2.375 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 640000-06 | 5/9 Secondary reference U.S. Government activity |
| 5342PL0819136 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| B64CB10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-00-177-4138 is a Mount,resilient,weapon System, classified under FSC 5342, Hardware, Weapon System. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5342-00-584-0724, 7010-01-732-7079. Verify interchangeability with system specifications before substitution.
Key specifications for 5342-00-177-4138: Flange Mounting Hole Diameter: 0.201 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 1.937 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Style Designator: ROUND FOUR-HOLE FLANGE. 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.