The Gear,bevel, cataloged under National Stock Number 3020-00-032-0574, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 23 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-032-0574 |
| Primary Part Number | 815326 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.062 INCHES FIRST END IN |
| Teeth Quantity | 126 |
| Surface Treatment Document and Classification | QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.050 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.108 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.070 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.160 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB PROTRUDING |
| Bore Nominal Depth | 0.050 INCHES BOTH ENDS IN |
| Pitch Diameter | 2.6250 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.652 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES AND 45.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.250 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.050 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 |
|---|---|
| 815326 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3020-00-032-0574 is a Gear,bevel, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-032-0574 has 1 manufacturer part number on file: 815326 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-382-6227. Verify interchangeability with system specifications before substitution.
Key specifications for 815326: Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.062 INCHES FIRST END IN; Teeth Quantity: 126; Surface Treatment Document and Classification: QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.