The Collar,shaft, cataloged under National Stock Number 3040-01-479-5929, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-479-5929 |
| Primary Part Number | 43136-089 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Style Designator | ROUND W/GROOVED PERIPHERY |
| Outside Diameter | 3.0000 INCHES NOMINAL IN |
| Bore Diameter | 2.0625 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.7812 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 |
|---|---|
| 8100-1256-0305 PC NO 32 | Bath Iron Works Corporation (USA) |
| 43136-089 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8100-1256-0305 | D/9 Drawing number reference only Bath Iron Works Corporation |
| 8100-1256-0305 PC 32 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-479-5929 is a Collar,shaft, manufactured by Bath Iron Works Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-479-5929 has 2 manufacturer part numbers on file: 8100-1256-0305 PC NO 32 (Bath Iron Works Corporation), 43136-089 (Bath Iron Works Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-479-7737. Verify interchangeability with system specifications before substitution.
Key specifications for 43136-089: Style Designator: ROUND W/GROOVED PERIPHERY; Outside Diameter: 3.0000 INCHES NOMINAL IN; Special Features: 2.500 IN. DIA. SMALLER END. 2.625 IN. WIDTH ACROSS FLATS IN; End Item Identification: ARLEIGH BURKE CLASS DDG. 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.