The Shaft,straight, cataloged under National Stock Number 3040-01-503-9875, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-503-9875 |
| Primary Part Number | 163-7067143-7 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Diameter | 3.4930 INCHES MINIMUM AND 3.4950 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-21952 MIL SPEC ALL MATERIAL RESPONSES |
| End Similarity | IDENTICAL |
| Material | STEEL |
| 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 |
|---|---|
| 163-7067143-7 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H615-0402-7 | 5/2 Secondary reference U.S. Government activity |
| 7067143 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-503-9875 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-503-9875 has 1 manufacturer part number on file: 163-7067143-7 (Naval Sea Systems Command).
Key specifications for 163-7067143-7: First End Diameter: 3.4930 INCHES MINIMUM AND 3.4950 INCHES MAXIMUM IN; First End Style: PLAIN; Material Document and Classification: MIL-S-21952 MIL SPEC ALL MATERIAL RESPONSES; Overall Length: 20.700 INCHES MINIMUM AND 20.750 INCHES MAXIMUM IN. 5 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.