The Gear,spur, cataloged under National Stock Number 3020-00-181-5375, 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 Intl Inc Defense Avionics Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-181-5375 |
| Primary Part Number | PB33373-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.265 INCHES FIRST END IN |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Bore Style | TAPERED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES FIRST END IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Taper Major Nominal Diameter | 0.182 INCHES BOTH ENDS IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.3330 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.385 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8740 OVERALL |
| Face Nominal Width | 0.187 INCHES 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 |
|---|---|
| PB33373-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| PB33373-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 3020-00-181-5375 is a Gear,spur, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-181-5375 has 1 manufacturer part number on file: PB33373-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for PB33373-1: Hub Nominal Diameter: 0.265 INCHES FIRST END IN; Teeth Quantity: 16; Body Style: PLAIN, SOLID; Bore Style: TAPERED BOTH ENDS. 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.
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.