The Gear,spur, cataloged under National Stock Number 3020-01-224-4297, 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 Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-224-4297 |
| Primary Part Number | S1120Z-J8A-090P |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.090 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.186 INCHES FIRST END IN |
| Teeth Quantity | 90 |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Nominal Overall Length | 0.343 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Bore Nominal Depth | 0.343 INCHES BOTH ENDS IN |
| Pitch Diameter | 0.7490 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 0.765 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.062 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 |
|---|---|
| S1120Z-J8A-090P PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| J8A-90 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
NSN 3020-01-224-4297 is a Gear,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-224-4297 has 2 manufacturer part numbers on file: S1120Z-J8A-090P (Designatronics Incorporated Div Sterling Instruments Div), J8A-90 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S1120Z-J8A-090P: Bore Nominal Diameter: 0.090 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.186 INCHES FIRST END IN; Teeth Quantity: 90; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN. 20 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.