The Shaft,shouldered, cataloged under National Stock Number 3040-00-161-8980, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 12 specifications, 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-161-8980 |
| Primary Part Number | 1178-66 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| FSC Application Data | CASSETTE,PHOTOGRAPHIC FILM |
| Step Quantity | 3 |
| First End Diameter | 0.1550 INCHES NOMINAL IN |
| Second End Diameter | 0.1860 INCHES NOMINAL IN |
| Largest Step Diameter | 0.312 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.1750 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0180 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 1178-66 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3040-00-161-8980 is a Shaft,shouldered, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-161-8980 has 1 manufacturer part number on file: 1178-66 (Bae Systems Information and Electronic Systems Integration Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5930-00-614-8021, 5940-00-782-4964, 5995-00-918-3701. Verify interchangeability with system specifications before substitution.
Key specifications for 1178-66: FSC Application Data: CASSETTE,PHOTOGRAPHIC FILM; Step Quantity: 3; First End Diameter: 0.1550 INCHES NOMINAL IN; Second End Diameter: 0.1860 INCHES NOMINAL IN. 12 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.
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.