The Collar,shaft, cataloged under National Stock Number 3040-00-421-6540, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-421-6540 |
| Primary Part Number | WTVB22784 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Largest Diameter Length | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 2.750 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 |
| Part Number | Manufacturer |
|---|---|
| WTVB22784 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 3040-00-421-6540 is a Collar,shaft, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-421-6540 has 1 manufacturer part number on file: WTVB22784 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for WTVB22784: Securing Hole Type and Location: THREADED SINGLE HOLE; Largest Diameter Length: 1.750 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC). 9 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.