The Collar,shaft, cataloged under National Stock Number 3040-00-873-4975, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Marine Diesel, Inc. Dba Marine Diesel. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-873-4975 |
| Primary Part Number | 873-4975 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Marine Diesel, Inc. Dba Marine Diesel |
| Status | ACTIVE |
| Style Designator | ROUND W/GROOVED PERIPHERY |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.221 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 |
|---|---|
| 873-4975 | Marine Diesel, Inc. Dba Marine Diesel (USA) |
| Reference | Meaning |
|---|---|
| 6084B | 3/9 Design control — primary reference U.S. Government activity |
| 200110AAG857 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-873-4975 is a Collar,shaft, manufactured by Marine Diesel, Inc. Dba Marine Diesel, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-873-4975 has 1 manufacturer part number on file: 873-4975 (Marine Diesel, Inc. Dba Marine Diesel).
Key specifications for 873-4975: Style Designator: ROUND W/GROOVED PERIPHERY; Outside Diameter: 1.000 INCHES NOMINAL IN; Bore Diameter: 0.5000 INCHES NOMINAL IN; Material: COPPER ALLOY. 5 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.