The Collar,shaft, cataloged under National Stock Number 3040-00-141-2193, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-141-2193 |
| Primary Part Number | 5B0577 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.5312 INCHES NOMINAL SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 1.9688 INCHES NOMINAL IN |
| Material | IRON MALLEABLE |
| Thickness | 1.750 INCHES MINIMUM AND 1.781 INCHES MAXIMUM 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 |
|---|---|
| 5B0577 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 5B577 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 3040-00-141-2193 is a Collar,shaft, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-141-2193 has 1 manufacturer part number on file: 5B0577 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5B0577: Style Designator: PLAIN ROUND; Outside Diameter: 3.000 INCHES NOMINAL IN; Hole Diameter and Location: 0.5312 INCHES NOMINAL SINGLE HOLE IN; Angle Between Centerlines of Securing Holes in Deg: 180.0. 8 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.