The Gear,spur, cataloged under National Stock Number 3020-01-327-5261, 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 Honeywell International Inc. Div Aerospace - Torrance. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-327-5261 |
| Primary Part Number | 2044164-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.312 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.390 INCHES BOTH ENDS IN |
| Teeth Quantity | 28 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.015 INCHES BOTH ENDS IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.040 INCHES BOTH ENDS IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MS5000 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 0.4375 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 0.470 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.005 INCHES BOTH ENDS IN |
| Face Nominal Width | 0.130 INCHES IN |
| 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 |
|---|---|
| 2044164-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 2044164 | D/9 Drawing number reference only Honeywell International Inc. Div Aerospace - Torrance |
NSN 3020-01-327-5261 is a Gear,spur, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-327-5261 has 1 manufacturer part number on file: 2044164-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2044164-1: Bore Nominal Diameter: 0.312 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.390 INCHES BOTH ENDS IN; Teeth Quantity: 28; Body Style: PLAIN, SOLID. 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 3020-01-327-5261 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.