The Gear,spur, cataloged under National Stock Number 3020-01-103-2446, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-103-2446 |
| Primary Part Number | B22-34 |
| 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 | 0.125 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.313 INCHES FIRST END IN |
| Teeth Quantity | 34 |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Nominal Overall Length | 0.3125 INCHES IN |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.5313 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 0.563 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.1250 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 |
|---|---|
| B22-34 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
NSN 3020-01-103-2446 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 3020-01-103-2446 has 1 manufacturer part number on file: B22-34 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for B22-34: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.313 INCHES FIRST END IN; Teeth Quantity: 34; Bore Style: PLAIN BOTH ENDS. 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.