The Shaft,shouldered, cataloged under National Stock Number 3040-01-021-5715, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-021-5715 |
| Primary Part Number | 144C929H01 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.2490 INCHES NOMINAL IN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.375 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2344 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0600 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.110 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 144C929H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 144C929H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-01-021-5715 is a Shaft,shouldered, manufactured by Northrop Grumman Support Services Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-021-5715 has 1 manufacturer part number on file: 144C929H01 (Northrop Grumman Support Services Corp).
Key specifications for 144C929H01: Step Quantity: 3; First End Diameter: 0.2490 INCHES NOMINAL IN; Second End Diameter: 0.2500 INCHES NOMINAL IN; Largest Step Diameter: 0.375 INCHES NOMINAL IN. 12 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.