The Ratchet,slip Clutch, cataloged under National Stock Number 1055-00-587-7004, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ratchet,slip Clutch |
| FSC / FSG | 1055 — Launchers, Rocket and Pyrotechnic (FSG 10) |
| Manufacturers | Army, United States Department of the Dba Rock Island Arsenal Jmtc (CAGE 19204) |
| Parameter | Value |
|---|---|
| NSN | 1055-00-587-7004 |
| Primary Part Number | 8426518 |
| Item Name | Ratchet,slip Clutch |
| FSC / FSG | 1055 / 10 — Launchers, Rocket and Pyrotechnic |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 8426518 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| M4612 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| M4612 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
NSN 1055-00-587-7004 is a Ratchet,slip Clutch, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.
NSN 1055-00-587-7004 has 1 manufacturer part number on file: 8426518 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1055-00-587-7004 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.