The Shaft,straight, cataloged under National Stock Number 3040-01-357-5676, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Corp Hydraulics Div. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-357-5676 |
| Primary Part Number | 21371-4 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Corp Hydraulics Div |
| Status | ACTIVE |
| First End Style | SPLINED (STRAIGHT) |
| 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 |
|---|---|
| 2GK305 | Oshkosh Defense Llc (USA) |
| 21371-4 | Amz Alabama Inc. (USA) |
| 21371-4 PRIMARY | Eaton Corp Hydraulics Div (USA) |
| 21371-4 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 2GK305 | 5/9 Secondary reference Oshkosh Corp |
NSN 3040-01-357-5676 is a Shaft,straight, manufactured by Eaton Corp Hydraulics Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-357-5676 has 4 manufacturer part numbers on file: 2GK305 (Oshkosh Defense Llc), 21371-4 (Amz Alabama Inc.), 21371-4 (Eaton Corp Hydraulics Div), 21371-4 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 21371-4: First End Style: SPLINED (STRAIGHT); Overall Length: 3.4200 INCHES NOMINAL IN; End Similarity: IDENTICAL; End Item Identification: 2320-01-318-9902. 3 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.