The Gear,spur, cataloged under National Stock Number 3020-01-135-4644, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-135-4644 |
| Primary Part Number | 2041498-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Keyway Nominal Width | 0.064 INCHES BOTH ENDS0.064 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS0.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 2121 |
| Body Style | PLAIN, SOLIDPLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDSW/ KEYWAY BOTH ENDS |
| Precision Classification | QUALITY NUMBER 11QUALITY NUMBER 11 |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESSHUBLESS |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.4375 INCHES NOMINAL0.4375 INCHES NOMINAL IN |
| Tooth Form | STANDARDSTANDARD |
| Nominal Outside Diameter | 0.484 INCHES0.484 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.160 INCHES BOTH ENDS0.160 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES20.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| Face Nominal Width | 0.125 INCHES0.125 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 |
|---|---|
| 2041498-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 3020-01-135-4644 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 3020-01-135-4644 has 1 manufacturer part number on file: 2041498-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2041498-1: Keyway Nominal Width: 0.064 INCHES BOTH ENDS0.064 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS0.250 INCHES BOTH ENDS IN; Teeth Quantity: 2121; Body Style: PLAIN, SOLIDPLAIN, SOLID. 16 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 3020-01-135-4644 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.