The Shaft,shouldered, cataloged under National Stock Number 3040-01-103-8062, 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 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-103-8062 |
| Primary Part Number | 88-D-329 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.3090 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.266 INCHES NOMINAL IN |
| Second End Diameter | 0.3090 INCHES NOMINAL IN |
| Second End Step Length | 0.375 INCHES NOMINAL IN |
| Largest Step Diameter | 0.309 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY AND CIRCULAR GROOVED |
| Second End Angle Between Flats | 90.0 DEGREES NOMINAL |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.172 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2030 INCHES NOMINAL IN |
| Second End Style | TWO FLATS |
| Material | STEEL COMP 304 |
| First End Groove Width | 0.2020 INCHES NOMINAL IN |
| External Keyway Length | 0.375 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.4062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 88-D-329 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 2642-343-03 ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
| 845-4558718 | D/9 Drawing number reference only U.S. Government activity |
| 2642-343-03 | D/9 Drawing number reference only U.S. Government activity |
| 845-4558718 ITEM 8 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-103-8062 is a Shaft,shouldered, manufactured by Derbyshire Machine & Tool Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-103-8062 has 1 manufacturer part number on file: 88-D-329 (Derbyshire Machine & Tool Co).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-492-6468, 5305-01-684-3683, 5305-01-684-3687. Verify interchangeability with system specifications before substitution.
Key specifications for 88-D-329: Step Quantity: 3; First End Diameter: 0.3090 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.266 INCHES NOMINAL IN; Second End Diameter: 0.3090 INCHES NOMINAL IN. 17 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.
NSN 3040-01-103-8062 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.