The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-666-0245, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Company of America, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Roller Bearing Company of America, Inc. (CAGE 73134); Icon Aerospace Technology Ltd (CAGE U0619); Shock Tech Inc Dba Shock Tech Inc (CAGE 0LRN7); Lord Corporation Dba Lord Corp (CAGE 76005); Greene Rubber Company, Inc. (CAGE 73801) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-666-0245 |
| Primary Part Number | JSFM57-10 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Roller Bearing Company of America, 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 |
|---|---|
| JSFM57-10 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| JSFM57-10 | Icon Aerospace Technology Ltd (GBR) |
| JSFM57-10 PRIMARY | Shock Tech Inc Dba Shock Tech Inc (USA) |
| JSFM57-10 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| JSFM57-10 PRIMARY | Greene Rubber Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| JSFM57-10 | 3/2 Design control — primary reference U.S. Government activity |
| JSFM57-10 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFM57 | D/9 Drawing number reference only U.S. Government activity |
| JSFM57-10 | 5/9 Secondary reference Icon Polymer Ltd |
NSN 5342-01-666-0245 is a Mount,resilient,weapon System, manufactured by Roller Bearing Company of America, Inc., classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-666-0245 has 5 manufacturer part numbers on file: JSFM57-10 (Roller Bearing Company of America, Inc.), JSFM57-10 (Icon Aerospace Technology Ltd), JSFM57-10 (Shock Tech Inc Dba Shock Tech Inc), JSFM57-10 (Lord Corporation Dba Lord Corp), JSFM57-10 (Greene Rubber Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5342-01-666-0247, 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.