The Shaft,straight, cataloged under National Stock Number 3040-01-423-1999, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 9 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 | 3040-01-423-1999 |
| Primary Part Number | A6930 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oberdorfer Foundries Inc |
| Status | ACTIVE |
| First End Diameter | 0.6235 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Second End Diameter | 0.6235 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Second End Keyway Depth | 0.1000 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL COMP 303 |
| External Keyway Length | 1.7500 INCHES NOMINAL SECOND END 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 |
|---|---|
| A6930 PRIMARY | Oberdorfer Foundries Inc (USA) |
NSN 3040-01-423-1999 is a Shaft,straight, manufactured by Oberdorfer Foundries Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-423-1999 has 1 manufacturer part number on file: A6930 (Oberdorfer Foundries Inc).
Key specifications for A6930: First End Diameter: 0.6235 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Second End Diameter: 0.6235 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; First End Style: PLAIN; Second End Keyway Width: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. 9 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.