The Core,flexible Shaft Assembly, cataloged under National Stock Number 3040-00-507-9982, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Stewart-Warner Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-507-9982 |
| Primary Part Number | 418049-65IN |
| Item Name | Core,flexible Shaft Assembly |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| Cross Section Size and Location | 0.150 INCHES MINIMUM DIAMETER AND 0.104 INCHES MAXIMUM ACROSS FLATS AND 0.101 INCHES MINIMUM ACROSS FLATS AND 0.153 INCHES MAXIMUM DIAMETER IN |
| Core Diameter | 0.128 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Departure From Cited Designator | AS MODIFIED BY O/A LG DIM. |
| End Overall Length | 1.018 INCHES MINIMUM AND 1.022 INCHES MAXIMUM IN |
| Machined Feature Size | 0.057 IN. MIN,0.060 IN. MAX THK BY 0.281 MIN. LG DRIVE KEY IN |
| End Type | ROUND KEYED AND SQUARE MALE |
| 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 |
|---|---|
| 418049-65IN PRIMARY | Stewart-Warner Corporation (USA) |
| 8366052 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| MS51072 | 4/1 Identification reference U.S. Government activity |
| 1582160 | 5/9 Secondary reference General Motors Llc Dba General Motors |
| MIL-S-10215 | 4/1 Identification reference U.S. Government activity |
| 1582160 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 1582160 | 5/9 Secondary reference General Motors Corp |
NSN 3040-00-507-9982 is a Core,flexible Shaft Assembly, manufactured by Stewart-Warner Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-507-9982 has 2 manufacturer part numbers on file: 418049-65IN (Stewart-Warner Corporation), 8366052 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 3040-00-832-7565. Verify interchangeability with system specifications before substitution.
Key specifications for 418049-65IN: Cross Section Size and Location: 0.150 INCHES MINIMUM DIAMETER AND 0.104 INCHES MAXIMUM ACROSS FLATS AND 0.101 INCHES MINIMUM ACROSS FLATS AND 0.153 INCHES MAXIMUM DIAMETER IN; Overall Length: 66.156 INCHES NOMINAL IN; Core Diameter: 0.128 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN; Departure From Cited Designator: AS MODIFIED BY O/A LG DIM.. 6 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.