The Shaft,straight, cataloged under National Stock Number 3040-00-229-5434, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-229-5434 |
| Primary Part Number | CS4320-0386 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | STEEL |
| Second End Internal Thread Length | 0.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| CS4320-0386 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| SER102652-105-6 PRIMARY | Jaeco Fluid Systems, Inc Dba Jaeco-Stewart (USA) |
| Reference | Meaning |
|---|---|
| A-00076 | 5/9 Secondary reference Jaeco Fluid Systems, Inc Dba Jaeco-Stewart |
NSN 3040-00-229-5434 is a Shaft,straight, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-229-5434 has 2 manufacturer part numbers on file: CS4320-0386 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), SER102652-105-6 (Jaeco Fluid Systems, Inc Dba Jaeco-Stewart).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-615-1860. Verify interchangeability with system specifications before substitution.
Key specifications for CS4320-0386: First End Diameter: 0.3750 INCHES NOMINAL IN; Second End Diameter: 0.3750 INCHES NOMINAL IN; First End Style: PLAIN; Overall Length: 4.625 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.
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.