The Shaft,straight, cataloged under National Stock Number 3040-01-312-7708, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-312-7708 |
| Primary Part Number | 6310165 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Pitch Diameter | 0.4583 INCHES NOMINAL IN |
| First End Diameter | 0.4826 INCHES MINIMUM AND 0.4876 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.4826 INCHES MINIMUM AND 0.4876 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Material Document and Classification | AMS 6414E ASSN STD SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 1.400 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN |
| First End Spline Quantity | 11 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.3933 INCHES MINIMUM AND 0.4022 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| 6310165 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-312-7708 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-312-7708 has 1 manufacturer part number on file: 6310165 (Naval Sea Systems Command).
Key specifications for 6310165: First End Pitch Diameter: 0.4583 INCHES NOMINAL IN; First End Diameter: 0.4826 INCHES MINIMUM AND 0.4876 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.4826 INCHES MINIMUM AND 0.4876 INCHES MAXIMUM IN; First End Style: SPLINED (INVOLUTE). 11 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 3040-01-312-7708 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.