The Collar,shaft, cataloged under National Stock Number 3040-00-998-7346, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-998-7346 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Largest Diameter Length | 0.188 INCHES NOMINAL IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Material Document and Classification | QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | ANODIZE |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.1930 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2017 |
| Thickness | 0.250 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 |
|---|---|
| 1204846-10 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-00-998-7346 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-998-7346: Securing Hole Type and Location: THREADED SINGLE HOLE; Largest Diameter Length: 0.188 INCHES NOMINAL IN; Style Designator: ROUND W/DOUBLE CHAMFER; Material Document and Classification: QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.