The Collar,shaft, cataloged under National Stock Number 3040-00-939-9919, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wheeler Fleet Solutions, Co.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-939-9919 |
| Primary Part Number | 05-2191-2119 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Largest Diameter Length | 0.3750 INCHES NOMINAL IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 120.0 |
| Securing Hole Quantity | 3 |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 3.5000 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.5000 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 |
|---|---|
| 05-2191-2119 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 2191-2119 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-939-9919 is a Collar,shaft, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-939-9919 has 1 manufacturer part number on file: 05-2191-2119 (Wheeler Fleet Solutions, Co.).
Key specifications for 05-2191-2119: Securing Hole Type and Location: THREADED ALL HOLES; Largest Diameter Length: 0.3750 INCHES NOMINAL IN; Style Designator: ROUND W/DOUBLE CHAMFER; Screw Thread Series Designator and Location: ALL HOLES UNIFIED NATIONAL COARSE (UNC). 12 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.