The Shaft,straight, cataloged under National Stock Number 3040-01-237-8338, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-237-8338 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN |
| First End Style | CROSS DRILLED HOLE AND SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| First End Spline Length | 1.6250 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | IDENTICAL |
| First End Hole Diameter | 0.2660 INCHES NOMINAL IN |
| First End Spline Minor Diameter | 0.7420 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SSN637-709-2481703 PIECE 6 | 5/2 Secondary reference U.S. Government activity |
| SSN637-709-2481703 | D/9 Drawing number reference only U.S. Government activity |
| 77832-60X28 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
| 77832-60X28 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-237-8338 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-237-8338: First End Diameter: 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN; First End Style: CROSS DRILLED HOLE AND SPLINED (STRAIGHT); Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 10 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.