The Gearshaft,helical, cataloged under National Stock Number 3040-01-581-6660, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-581-6660 |
| Primary Part Number | 1669223-1 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Raytheon Company Dba Raytheon |
| Status | ACTIVE |
| Shaft Material | ALUMINUM ALLOY 6061 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1669223-1 PRIMARY | Raytheon Company Dba Raytheon (USA) |
| Reference | Meaning |
|---|---|
| 10340244 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-581-6660 is a Gearshaft,helical, manufactured by Raytheon Company Dba Raytheon, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-581-6660 has 1 manufacturer part number on file: 1669223-1 (Raytheon Company Dba Raytheon).
Key specifications for 1669223-1: Shaft Material: ALUMINUM ALLOY 6061; Special Features: MACHINED CORNER RADII .015 MAX; Part Name Assigned by Controlling Agency: SHAFT,DRIVE EYEPIECE; End Item Identification: 5855-01-573-2483;MEDIUM RANGE THERMAL BI-OCULAR(MRTB). 1 specification is 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 3040-01-581-6660 has DEMIL Code Q. 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.