The Extension Shaft, cataloged under National Stock Number 3040-01-346-6191, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-346-6191 |
| Primary Part Number | 3C3170P05 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Socket Diameter | 1.000 INCHES NOMINAL IN |
| Length | 4.380 INCHES NOMINAL IN |
| Socket Depth | 0.750 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Shaft End Design | MALE |
| Shaft End Diameter | 1.490 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Shoulder Length | 1.750 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | FLATTED ROUND |
| 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 |
|---|---|
| 3V3170P05 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| 3C3170 ITEM 5 | General Electric Company (USA) |
| 3C3170P05 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 3C3170 | D/9 Drawing number reference only General Electric Company |
NSN 3040-01-346-6191 is a Extension Shaft, manufactured by General Electric Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-346-6191 has 3 manufacturer part numbers on file: 3V3170P05 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 3C3170 ITEM 5 (General Electric Company), 3C3170P05 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-346-6324. Verify interchangeability with system specifications before substitution.
Key specifications for 3C3170P05: Socket Diameter: 1.000 INCHES NOMINAL IN; Length: 4.380 INCHES NOMINAL IN; Socket Depth: 0.750 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 11 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.