The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-666-0247, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Icon Aerospace Technology Ltd (CAGE U0619); Greene Rubber Company, Inc. (CAGE 73801); Roller Bearing Company of America, Inc. (CAGE 73134); Lord Corporation Dba Lord Corp (CAGE 76005); Shock Tech Inc Dba Shock Tech Inc (CAGE 0LRN7) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-666-0247 |
| Primary Part Number | JSFM57A2 |
| 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 |
|---|---|
| JSFM57A2 | Icon Aerospace Technology Ltd (GBR) |
| JSFM57A2 PRIMARY | Greene Rubber Company, Inc. (USA) |
| JSFM57A2 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| JSFM57A2 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| JSFM57A2 PRIMARY | Shock Tech Inc Dba Shock Tech Inc (USA) |
| Reference | Meaning |
|---|---|
| JSFM57A2 | 5/9 Secondary reference Icon Polymer Ltd |
| JSFM57 | D/9 Drawing number reference only U.S. Government activity |
| JSFM57A2 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFM57A2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-01-666-0247 is a Mount,resilient,weapon System, manufactured by Greene Rubber Company, Inc., classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-666-0247 has 5 manufacturer part numbers on file: JSFM57A2 (Icon Aerospace Technology Ltd), JSFM57A2 (Greene Rubber Company, Inc.), JSFM57A2 (Roller Bearing Company of America, Inc.), JSFM57A2 (Lord Corporation Dba Lord Corp), JSFM57A2 (Shock Tech Inc Dba Shock Tech Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-666-0250, 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.