The Roller, cataloged under National Stock Number 1440-01-294-8640, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. The manufacturer of record is Ridge Machine Shop Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1440-01-294-8640 |
| Primary Part Number | 2857687 |
| Item Name | Roller |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Manufacturer | Ridge Machine Shop Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2857687 PRIMARY | Ridge Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| 2857687 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 3857687 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 2857687 | C/1 Advisory reference — outside the item-of-supply concept Surface Processes Corp |
NSN 1440-01-294-8640 is a Roller, manufactured by Ridge Machine Shop Inc, classified under FSC 1440, Launchers, Guided Missile. Status: active.
NSN 1440-01-294-8640 has 1 manufacturer part number on file: 2857687 (Ridge Machine Shop Inc).
Key specifications for 2857687: End Item Identification: GUIDED MISSILE LAUNCHING SYSTEM. 0 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.
NSN 1440-01-294-8640 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.