The Shaft,straight, cataloged under National Stock Number 3040-01-291-0970, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-291-0970 |
| Primary Part Number | A6-SPEC,2 1/4 INCH LONG |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 0.2498 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-764,CLASS 303 CON A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 0851-144 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| A6-SPEC,2 1/4 INCH LONG PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 0851 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 3040-01-291-0970 is a Shaft,straight, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-291-0970 has 2 manufacturer part numbers on file: 0851-144 (Lockheed Martin Corporation Div Rms - Mitchel Field), A6-SPEC,2 1/4 INCH LONG (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for A6-SPEC,2 1/4 INCH LONG: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.2498 INCHES NOMINAL IN; First End Style: PLAIN; Material Document and Classification: QQ-S-764,CLASS 303 CON A FED SPEC SINGLE MATERIAL RESPONSE. 6 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.