The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-440-0259, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-440-0259 |
| Primary Part Number | 9378K25 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Style Designator | ROUND W/ONE THREADED STUD |
| Stud Length | 0.500 INCHES NOMINAL ALL THREADED STUD IN |
| Height | 0.500 INCHES NOMINAL IN |
| Thread Size | 8-32 ALL THREADED PORTIONS |
| Major Outside Diameter | 0.625 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 |
| Part Number | Manufacturer |
|---|---|
| 9378K25 PRIMARY | Mcmaster-Carr Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 9378K25 | 5/1 Secondary reference Mcmaster-Carr Supply Co |
NSN 5342-01-440-0259 is a Mount,resilient,weapon System, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-440-0259 has 1 manufacturer part number on file: 9378K25 (Mcmaster-Carr Supply Company).
Key specifications for 9378K25: Style Designator: ROUND W/ONE THREADED STUD; Stud Length: 0.500 INCHES NOMINAL ALL THREADED STUD IN; Height: 0.500 INCHES NOMINAL IN; Thread Size: 8-32 ALL THREADED PORTIONS. 5 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.