The Gear,spur, cataloged under National Stock Number 3020-00-434-0002, 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 A B a Industries Inc. Government technical data includes 27 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 | 3020-00-434-0002 |
| Primary Part Number | 32058-2002 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | A B a Industries Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.500 INCHES BOTH ENDS IN |
| Teeth Quantity | 120 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 6 THREADED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES FIRST END IN |
| First Step Nominal Length | 0.250 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Nominal Overall Length | 0.750 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AISI 303/SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 4.750 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Mounting Hole Nominal Thread Size | 0.190 INCHES AXIALLY THROUGH BODY FIRST END IN |
| End Nominal Length | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter | 5.096 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 24 AXIALLY THROUGH BODY FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 4.497 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.000 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 32058-2002 PRIMARY | A B a Industries Inc (USA) |
NSN 3020-00-434-0002 is a Gear,spur, manufactured by A B a Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-434-0002 has 1 manufacturer part number on file: 32058-2002 (A B a Industries Inc).
Key specifications for 32058-2002: Bore Nominal Diameter: 3.500 INCHES BOTH ENDS IN; Teeth Quantity: 120; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 27 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 3020-00-434-0002 has DEMIL Code B. 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.