The Collar,shaft, cataloged under National Stock Number 3040-00-905-0450, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-905-0450 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SETSCREW |
| Securing Hole Type and Location | THREADED 1ST HOLE |
| Securing Hole Type and Location | UNTHREADED 2ND HOLE |
| Largest Diameter Length | 0.312 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Screw Thread Series Designator and Location | 1ST HOLE UNIFIED NATIONAL COARSE (UNC) |
| Screw Thread Series Designator and Location | 2ND HOLE UNF |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.0960 INCHES NOMINAL 2ND HOLE IN |
| Nominal Thread Size | 0.190 INCHES THREAD IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Small End Diameter | 0.438 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.3125 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.344 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 |
|---|---|
| A57088-1 | 3/9 Design control — primary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 3040-00-905-0450 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-905-0450: Furnished Items and Quantity: 1 SETSCREW; Securing Hole Type and Location: THREADED 1ST HOLE; Securing Hole Type and Location: UNTHREADED 2ND HOLE; Largest Diameter Length: 0.312 INCHES NOMINAL IN. 17 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.