The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-774-4688, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Corp. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-774-4688 |
| Primary Part Number | 846396 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Cross Section Size and Location | 0.150 INCHES MINIMUM DIAMETER AND 0.153 INCHES MAXIMUM DIAMETER FIRST END IN |
| Cross Section Size and Location | 0.1855 INCHES MINIMUM ACROSS FLATS AND 0.1897 INCHES MAXIMUM ACROSS FLATS SECOND END IN |
| End Overall Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Thread Depth | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 12.4375 INCHES MINIMUM AND 12.5625 INCHES MAXIMUM IN |
| Core Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 13.422 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Surface Treatment | ZINC CASING |
| Protective Coating Method | COATED CASING |
| Wrenching Facility Outside Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Thread Class | 2B,2 BOTH ENDS |
| Wrenching Facility Type | KNURLED SURFACE BOTH ENDS |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.438 INCHES NOMINAL IN |
| End Type | ROUND KEYED FIRST END |
| End Type | SQUARE FERRULE SECOND END |
| Tip Length | 0.188 INCHES NOMINAL SECOND END IN |
| Tip Length | 0.640 INCHES MINIMUM AND 0.828 INCHES MAXIMUM FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-774-4688 is a Shaft Assembly,flexible, manufactured by General Motors Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-774-4688 has 3 manufacturer part numbers on file: 846396 (General Motors Corp), 846396 (Allison Transmission Inc Dba Allison Transmission, Inc), 7744688 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 846396: Cross Section Size and Location: 0.150 INCHES MINIMUM DIAMETER AND 0.153 INCHES MAXIMUM DIAMETER FIRST END IN; Cross Section Size and Location: 0.1855 INCHES MINIMUM ACROSS FLATS AND 0.1897 INCHES MAXIMUM ACROSS FLATS SECOND END IN; End Overall Diameter: 1.000 INCHES NOMINAL BOTH ENDS IN; End Connection Type: THREADED INTERNAL BOTH ENDS. 25 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.