The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-666-0250, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Greene Rubber Company, Inc.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Manufacturers | Greene Rubber Company, Inc. (CAGE 73801); Shock Tech Inc Dba Shock Tech Inc (CAGE 0LRN7); Lord Corporation Dba Lord Corp (CAGE 76005); Icon Aerospace Technology Ltd (CAGE U0619); Roller Bearing Company of America, Inc. (CAGE 73134) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-666-0250 |
| Primary Part Number | JSFM57A7 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Greene Rubber Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFM57A7 PRIMARY | Greene Rubber Company, Inc. (USA) |
| JSFM57A7 PRIMARY | Shock Tech Inc Dba Shock Tech Inc (USA) |
| JSFM57A7 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| JSFM57A7 | Icon Aerospace Technology Ltd (GBR) |
| JSFM57A7 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| JSFM57A7 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFM57A7 | 5/9 Secondary reference Icon Polymer Ltd |
| JSFM57A7 | 3/2 Design control — primary reference U.S. Government activity |
| JSFM57 | D/9 Drawing number reference only U.S. Government activity |
NSN 5342-01-666-0250 is a Mount,resilient,weapon System, manufactured by Greene Rubber Company, Inc., classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-666-0250 has 5 manufacturer part numbers on file: JSFM57A7 (Greene Rubber Company, Inc.), JSFM57A7 (Shock Tech Inc Dba Shock Tech Inc), JSFM57A7 (Lord Corporation Dba Lord Corp), JSFM57A7 (Icon Aerospace Technology Ltd), JSFM57A7 (Roller Bearing Company of America, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-666-0267. Verify interchangeability with system specifications before substitution.
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.