The Collar,shaft, cataloged under National Stock Number 3040-01-274-9281, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-274-9281 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED SINGLE HOLE |
| Style Designator | ROUND W/GROOVED PERIPHERY |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Hole Diameter and Location | 0.0310 INCHES MINIMUM SINGLE HOLE AND 0.0320 INCHES MAXIMUM SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.1265 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X |
| Thickness | 0.125 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 |
| Reference | Meaning |
|---|---|
| 277510 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-274-9281 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-274-9281: Securing Hole Type and Location: UNTHREADED SINGLE HOLE; Style Designator: ROUND W/GROOVED PERIPHERY; Material Document and Classification: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN. 10 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.