The Collar,shaft, cataloged under National Stock Number 3040-01-351-5916, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-351-5916 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES OVERALL |
| Counterbore Depth and Location | 0.6875 INCHES NOMINAL ALL HOLES IN |
| Countersink Major Diameter and Location | 0.8125 INCHES NOMINAL ALL HOLES IN |
| Securing Hole Type and Location | UNTHREADED-COUNTERSUNK ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 5.8750 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.5625 INCHES NOMINAL ALL HOLES IN |
| Countersunk Hole Angle in Deg and Location | 90.0 ALL HOLES |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 4 |
| Bore Diameter | 4.2500 INCHES NOMINAL IN |
| Material | STEEL |
| Counterbore Diameter and Location | 0.8125 INCHES NOMINAL ALL HOLES IN |
| Thickness | 1.500 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 |
|---|---|
| 424478-1 | 3/2 Design control — primary reference U.S. Government activity |
| 424478 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-351-5916 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-351-5916: Surface Finish: 125 MICROINCHES OVERALL; Counterbore Depth and Location: 0.6875 INCHES NOMINAL ALL HOLES IN; Countersink Major Diameter and Location: 0.8125 INCHES NOMINAL ALL HOLES IN; Securing Hole Type and Location: UNTHREADED-COUNTERSUNK ALL HOLES. 14 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.