The Gear,internal, cataloged under National Stock Number 3020-00-234-3263, 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 Us Army Aviation and Missile Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-234-3263 |
| Primary Part Number | 10682540 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Teeth Quantity | 16 |
| Surface Treatment Document and Classification | MIL-STD-171,FINISH NO. 3.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Mounting Hole Type and Quantity | 6 COUNTERBORED AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.136 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.250 INCHES IN |
| Style Designator | PLAIN RING |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 4.750 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.468 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 10682540 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 10682540 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 10682540 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Simulation Training & Support |
NSN 3020-00-234-3263 is a Gear,internal, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-234-3263 has 2 manufacturer part numbers on file: 10682540 (Lockheed Martin Corporation Div Rotary and Mission Systems), 10682540 (Us Army Aviation and Missile Command).
Key specifications for 10682540: Teeth Quantity: 16; Surface Treatment Document and Classification: MIL-STD-171,FINISH NO. 3.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID; Mounting Hole Type and Quantity: 6 COUNTERBORED AXIALLY THROUGH BODY FIRST END. 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.