The Extension Shaft, cataloged under National Stock Number 3040-01-293-9282, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Marvin Engineering Co, Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-293-9282 |
| Primary Part Number | 3825029-1 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| Socket Diameter | 0.373 INCHES NOMINAL IN |
| Length | 0.780 INCHES NOMINAL IN |
| Socket Depth | 0.350 INCHES NOMINAL IN |
| Special Test Features | HEAT TREAT TO CONDITION H1025 PER MIL-H-6875,CLASS D |
| Criticality Code Justification | FEAT |
| Style Designator | PLAIN SOCKET |
| Material Document and Classification | AMS5343 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.650 INCHES NOMINAL IN |
| Shaft End Design | FEMALE |
| Surface Treatment | PASSIVATE |
| Material | STEEL |
| Shoulder Length | 0.410 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | SQUARE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3825029-1 PRIMARY | Marvin Engineering Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3825029 | D/9 Drawing number reference only U.S. Government activity |
| 3825029-1 | 5/9 Secondary reference U.S. Government activity |
| 3040PL1305563 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3825029-1 | 5/9 Secondary reference Florida Precision Systems Inc |
NSN 3040-01-293-9282 is a Extension Shaft, manufactured by Marvin Engineering Co, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-293-9282 has 1 manufacturer part number on file: 3825029-1 (Marvin Engineering Co, Inc).
Key specifications for 3825029-1: Socket Diameter: 0.373 INCHES NOMINAL IN; Length: 0.780 INCHES NOMINAL IN; Socket Depth: 0.350 INCHES NOMINAL IN; Special Test Features: HEAT TREAT TO CONDITION H1025 PER MIL-H-6875,CLASS D. 14 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.