The Shaft,straight, cataloged under National Stock Number 3040-00-355-9628, 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 Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-355-9628 |
| Primary Part Number | 74B371 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Second End Flat Length | 0.437 INCHES NOMINAL IN |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Flat Depth | 0.0310 INCHES NOMINAL IN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Style | FLATTED |
| Material Document and Classification | QQ-S-763,CL 7 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2300 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0280 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.656 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED AND FLATTED |
| First End Flat Length | 0.312 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Second End Flat Depth | 0.0310 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74B371 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| SCB83791 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-00-355-9628 is a Shaft,straight, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-355-9628 has 1 manufacturer part number on file: 74B371 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 74B371: Second End Flat Length: 0.437 INCHES NOMINAL IN; First End Diameter: 0.2500 INCHES NOMINAL IN; First End Flat Depth: 0.0310 INCHES NOMINAL IN; Second End Diameter: 0.2500 INCHES NOMINAL IN. 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.
NSN 3040-00-355-9628 has DEMIL Code B. 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.