The Shaft,straight, cataloged under National Stock Number 3040-01-429-5682, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-429-5682 |
| Primary Part Number | DF7501-101 AY 97 FN 122L1 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| First End Style | SPLINED (STRAIGHT) |
| Criticality Code Justification | ZZZY |
| First End Spline Length | 2.0000 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 304 |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| DF7501-101 AY 97 FN 122L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6405216 AY 97 FN 122L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 593-6405216 AY 97 FN 122L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 593-6405216 AY 97 FN 122 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF7501-101 AY 97 FN 122 | 5/1 Secondary reference Naval Sea Systems Command |
| 6405216 AY97 FN 122 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 3040-01-429-5682 is a Shaft,straight, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-429-5682 has 3 manufacturer part numbers on file: DF7501-101 AY 97 FN 122L1 (Naval Inventory Control Point Mechanicsburg), 6405216 AY 97 FN 122L1 (Naval Inventory Control Point Mechanicsburg), 593-6405216 AY 97 FN 122L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF7501-101 AY 97 FN 122L1: First End Style: SPLINED (STRAIGHT); Criticality Code Justification: ZZZY; Overall Length: 10.880 INCHES NOMINAL IN; First End Spline Length: 2.0000 INCHES NOMINAL IN. 7 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 3040-01-429-5682 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.