The Shaft,shouldered, cataloged under National Stock Number 3040-01-217-5732, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-217-5732 |
| Primary Part Number | 9869-534X6 PC 1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Step Quantity | 4 |
| Second End Diameter | 2.9980 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Largest Step Diameter | 4.000 INCHES NOMINAL IN |
| First End Spline Length | 2.000 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| First End Spline Minor Diameter | 2.5780 INCHES MINIMUM AND 2.5800 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 9869-534X6 PC 1 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| SSBN598-518-2181985 PIECE 1 | 5/2 Secondary reference U.S. Government activity |
| SSBN598-518-2181985 | D/9 Drawing number reference only U.S. Government activity |
| 9869-534X6 PIECE 1 | 3/2 Design control — primary reference U.S. Government activity |
| 9869-534X6 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-217-5732 is a Shaft,shouldered, manufactured by Derbyshire Machine & Tool Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-217-5732 has 1 manufacturer part number on file: 9869-534X6 PC 1 (Derbyshire Machine & Tool Co).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-217-5741, 5342-01-217-5742. Verify interchangeability with system specifications before substitution.
Key specifications for 9869-534X6 PC 1: Step Quantity: 4; Second End Diameter: 2.9980 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN; Largest Step Diameter: 4.000 INCHES NOMINAL IN; Overall Length: 10.000 INCHES NOMINAL IN. 8 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.