The Gear,spur, cataloged under National Stock Number 3020-01-444-2914, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-444-2914 |
| Primary Part Number | 211070549 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 0.376 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.495 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 64 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.371 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 8.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 8.250 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.942 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 1.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 211070549 PRIMARY | Naval Sea Systems Command (USA) |
| 581-6405751 AHCA FIND A5 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405751 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF2011-237 FIND A5 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| C611-1404 FIND A5 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-444-2914 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-444-2914 has 2 manufacturer part numbers on file: 211070549 (Naval Sea Systems Command), 581-6405751 AHCA FIND A5 (Naval Sea Systems Command).
8 possible matches (shared part number, not a government interchangeability claim): 3010-01-444-3356, 3040-01-444-4165, 3040-01-444-4294. Verify interchangeability with system specifications before substitution.
Key specifications for 211070549: Keyway Nominal Width: 0.376 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.495 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.000 INCHES BOTH ENDS IN; Teeth Quantity: 64. 15 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 3020-01-444-2914 has DEMIL Code B. 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.