The Shaft,straight, cataloged under National Stock Number 3040-01-118-7961, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-118-7961 |
| Primary Part Number | 76040 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Second End Hole Diameter | 0.3160 INCHES NOMINAL IN |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 0.6250 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Distance From Hole Center to End | 0.375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| 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 |
|---|---|
| 76040 | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 76040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-118-7961 is a Shaft,straight, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-118-7961 has 1 manufacturer part number on file: 76040 (Columbus Jack Corporation Div Columbus Jack).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-512-9588, 4730-01-529-5578. Verify interchangeability with system specifications before substitution.
Key specifications for 76040: Second End Hole Diameter: 0.3160 INCHES NOMINAL IN; First End Diameter: 0.6250 INCHES NOMINAL IN; Second End Diameter: 0.6250 INCHES NOMINAL IN; First End Style: PLAIN. 8 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.