The Propeller,marine, cataloged under National Stock Number 2010-01-074-0804, is classified within Federal Supply Class 2010 (Ship and Boat Propulsion Components) of the Ship and Marine Equipment group. The manufacturer of record is Michigan Wheel Operations, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2010-01-074-0804 |
| Primary Part Number | 321821 |
| Item Name | Propeller,marine |
| FSC / FSG | 2010 / 20 — Ship and Boat Propulsion Components |
| Manufacturer | Michigan Wheel Operations, Llc |
| Status | ACTIVE |
| Keyway Depth | 0.325 INCHES NOMINAL IN |
| Hub Forward Face Diameter | 4.000 INCHES NOMINAL IN |
| Taper Bore Minor Diameter | 2.030 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN |
| Hub Aft Face Diameter | 3.750 INCHES NOMINAL IN |
| Hub Overall Length | 6.500 INCHES NOMINAL IN |
| Propeller Type | FIXED PITCH |
| Design Pitch | 1.833 FEET FT |
| Span Maximum Diameter | 2.833 FEET FT |
| Rotation Direction | LEFT-HAND |
| Keyway Quantity | 1 |
| Taper Bore Major Diameter | 2.500 INCHES NOMINAL IN |
| Hub Shaft Accommodation Style | TAPERBORE W/ KEYWAY |
| Blade Quantity | 3 |
| Keyway Length | 6.500 INCHES NOMINAL IN |
| Keyway Width | 0.625 INCHES NOMINAL IN |
| Blade Pitch Type | CONSTANT |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 321821 PRIMARY | Michigan Wheel Operations, Llc (USA) |
| Reference | Meaning |
|---|---|
| 34X22LH3BLGULL2 1/2STTPANDKW | 5/9 Secondary reference Michigan Wheel Operations, Llc |
| 201-5033110PC2 | 5/9 Secondary reference Columbian Bronze Corp Sub of Ferguson Propeller Inc |
| J-4023 LH | 5/9 Secondary reference Ellis Propeller Co Inc |
| 201-5033110 PC2 | 5/9 Secondary reference Ellis Propeller Co Inc |
| 201-5033110 PIECE 2 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 2010-01-074-0804 is a Propeller,marine, manufactured by Michigan Wheel Operations, Llc, classified under FSC 2010, Ship and Boat Propulsion Components. Status: active.
NSN 2010-01-074-0804 has 1 manufacturer part number on file: 321821 (Michigan Wheel Operations, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-133-3885, 5340-01-373-9806. Verify interchangeability with system specifications before substitution.
Key specifications for 321821: Keyway Depth: 0.325 INCHES NOMINAL IN; Hub Forward Face Diameter: 4.000 INCHES NOMINAL IN; Taper Bore Minor Diameter: 2.030 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN; Hub Aft Face Diameter: 3.750 INCHES NOMINAL IN. 17 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.
NSN 2010-01-074-0804 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.