The Shaft,straight, cataloged under National Stock Number 3040-00-778-6979, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 12 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 | 3040-00-778-6979 |
| Primary Part Number | A8622 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Simmonds Precision Products Inc |
| Status | ACTIVE |
| Second End Hole Diameter | 0.1410 INCHES NOMINAL IN |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Distance From Hole Center to End | 0.406 INCHES NOMINAL IN |
| Second End Hole Depth | 0.141 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 1.000 INCHES NOMINAL IN |
| First End Groove Diameter | 0.0310 INCHES NOMINAL IN |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.0310 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 |
|---|---|
| A8622 PRIMARY | Simmonds Precision Products Inc (USA) |
NSN 3040-00-778-6979 is a Shaft,straight, manufactured by Simmonds Precision Products Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-778-6979 has 1 manufacturer part number on file: A8622 (Simmonds Precision Products Inc).
Key specifications for A8622: Second End Hole Diameter: 0.1410 INCHES NOMINAL IN; First End Diameter: 0.3750 INCHES NOMINAL IN; Second End Diameter: 0.3750 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED. 12 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.