The Gear,helical, cataloged under National Stock Number 3020-01-608-5894, 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 Lake Shore Systems, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-608-5894 |
| Primary Part Number | F142318 REV C |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Helix Angle | 15.0 DEGREES |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Nominal Distance Between Body Face and Protruding Hub End | 0.50 INCHES FIRST END IN |
| Teeth Type | SPIRAL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 7.247 INCHES NOMINAL IN |
| Nominal Outside Diameter | 7.914 INCHES IN |
| Pressure Angle | 20.0 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 3.00 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 |
|---|---|
| F142318 REV C PRIMARY | Lake Shore Systems, Inc. (USA) |
| F124723 REV B ITEM NO. 29 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F142317 REV A | 5/9 Secondary reference Lake Shore Systems, Inc. |
NSN 3020-01-608-5894 is a Gear,helical, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-608-5894 has 2 manufacturer part numbers on file: F142318 REV C (Lake Shore Systems, Inc.), F124723 REV B ITEM NO. 29 (Lake Shore Systems, Inc.).
Key specifications for F142318 REV C: Helix Angle: 15.0 DEGREES; Teeth Quantity: 21; Body Style: PLAIN, SOLID; Tooth Direction: RIGHT. 13 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.