The Shaft,straight, cataloged under National Stock Number 3040-00-774-5055, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-774-5055 |
| Primary Part Number | J857-319 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astec Industries Inc Div Astec Ind. |
| Status | ACTIVE |
| First End Keyway Depth | 0.215 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 1.125 INCHES NOMINAL IN |
| Second End Hole Depth | 1.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| J857-319 PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| J857-319 | 5/9 Secondary reference Barber-Greene Co |
| J857-319 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 857-319 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 857-319 | 5/9 Secondary reference Barber-Greene Co |
NSN 3040-00-774-5055 is a Shaft,straight, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-774-5055 has 1 manufacturer part number on file: J857-319 (Astec Industries Inc Div Astec Ind.).
Key specifications for J857-319: Overall Length: 11.375 INCHES NOMINAL IN; First End Keyway Depth: 0.215 INCHES NOMINAL IN; Second End Distance From Hole Center to End: 1.125 INCHES NOMINAL IN; Second End Hole Depth: 1.500 INCHES NOMINAL IN. 4 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.