The Gear,internal, cataloged under National Stock Number 3020-01-685-4885, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-685-4885 |
| Primary Part Number | 71320382-001 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Teeth Quantity | 200 |
| Flange Nominal Diameter | 0.125 INCHES IN |
| Style Designator | FLANGED RING |
| Material Document and Classification | AMS5604 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 6.250 INCHES NOMINAL IN |
| Nominal Radius | 0.03 INCHES BETWEEN BODY AND FLANGE IN |
| Surface Treatment | NICKEL OVERALL |
| Pressure Angle | 20.0 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thickness | 0.375 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 |
|---|---|
| 71320382-001 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 71320382 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 3020-01-685-4885 is a Gear,internal, manufactured by Lockheed Martin Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-685-4885 has 1 manufacturer part number on file: 71320382-001 (Lockheed Martin Corporation).
Key specifications for 71320382-001: Teeth Quantity: 200; Flange Nominal Diameter: 0.125 INCHES IN; Style Designator: FLANGED RING; Material Document and Classification: AMS5604 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.