The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-579-2373, 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 12 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-579-2373 |
| Primary Part Number | J4797-58 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Lord Corporation Dba Lord Corp |
| Status | ACTIVE |
| Flange Mounting Hole Diameter | 0.196 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 1.938 INCHES NOMINAL IN |
| Flange Thickness | 0.031 INCHES NOMINAL IN |
| Style Designator | ROUND SPRING COMPRESSION FOUR-HOLE FLANGE |
| Static Load Rating at Specified Deflection | RATING NOT SPECIFIED |
| Flange Length | 2.375 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | A CLASS |
| Shortest Distance Between Mounting Hole Centers | 1.938 INCHES NOMINAL IN |
| Height | 1.563 INCHES NOMINAL IN |
| Thread Size | 0.250-20UNC-2B OR 0.250-20NC-2B OR CLASS 2 ALL THREADED PORTIONS |
| Surface Treatment | PASSIVATE CAP |
| Flange Width | 2.375 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 |
|---|---|
| J4797-58 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| Reference | Meaning |
|---|---|
| 240-11S | 5/9 Secondary reference U.S. Government activity |
| 4104A | 5/9 Secondary reference Korfund Dynamics Corp |
| MIL-C-172 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 220-4 1-2S | 5/1 Secondary reference U.S. Government activity |
| L64-AA-4-2AAL | 5/1 Secondary reference U.S. Government activity |
| L64AA4 | 5/1 Secondary reference U.S. Government activity |
| RCD1028002-1 | 5/9 Secondary reference Radio City Products Co Inc |
| MS91418-2AAL | 5/9 Secondary reference U.S. Government activity |
| 220-4 1-25 | 5/1 Secondary reference U.S. Government activity |
| L64-AA-4/02 | 5/2 Secondary reference U.S. Government activity |
| RCD1028002-1 | 5/9 Secondary reference Silver |
NSN 5342-00-579-2373 is a Mount,resilient,weapon System, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-579-2373 has 1 manufacturer part number on file: J4797-58 (Lord Corporation Dba Lord Corp).
Key specifications for J4797-58: Flange Mounting Hole Diameter: 0.196 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 1.938 INCHES NOMINAL IN; Flange Thickness: 0.031 INCHES NOMINAL IN; Style Designator: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE. 12 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.