The Gear Rack, cataloged under National Stock Number 3020-01-319-7073, 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. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-319-7073 |
| Primary Part Number | 13077280-509 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Teeth Quantity | 55 |
| Pitch Height | 0.1686 INCHES MINIMUM AND 0.1696 INCHES MAXIMUM IN |
| Teeth Type | DOUBLE HELIX, SOLID |
| Nominal Overall Length | 2.710 INCHES IN |
| Style Designator | ROUND, BOSS MOUNTED |
| Nominal Outside Diameter | 0.187 INCHES IN |
| Boss Nominal Length | 0.250 INCHES BOTH ENDS IN |
| Boss Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thickness | 0.180 INCHES IN |
| Face Nominal Width | 0.093 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 |
|---|---|
| 13077280-509 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 13077280-509 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 3020-01-319-7073 is a Gear Rack, manufactured by Lockheed Martin Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-319-7073 has 1 manufacturer part number on file: 13077280-509 (Lockheed Martin Corporation).
Key specifications for 13077280-509: Teeth Quantity: 55; Pitch Height: 0.1686 INCHES MINIMUM AND 0.1696 INCHES MAXIMUM IN; Teeth Type: DOUBLE HELIX, SOLID; Nominal Overall Length: 2.710 INCHES IN. 12 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.