The Gear,helical, cataloged under National Stock Number 3020-00-274-6392, 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 Renk America Llc Div Renk America. Government technical data includes 25 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-274-6392 |
| Primary Part Number | GT204 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.3750 INCHES BOTH ENDS IN |
| Helix Angle | 45.0000 DEGREES |
| Hub Nominal Diameter | 0.688 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.688 INCHES SECOND END IN |
| Teeth Quantity | 12 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.265 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.343 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.120 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 1.047 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66,AISI/SAE 1020 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0460 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.1690 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1022 OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.438 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 |
|---|---|
| GT204 PRIMARY | Renk America Llc Div Renk America (USA) |
| Reference | Meaning |
|---|---|
| GT204 | 5/9 Secondary reference Pierce Co Inc the Sub of Avis Industrial Corp |
| GT204 | 5/9 Secondary reference Winco, Inc. |
| R600H214 | 5/9 Secondary reference Winco, Inc. |
| R600H214 | 5/9 Secondary reference Pierce Co Inc the Sub of Avis Industrial Corp |
NSN 3020-00-274-6392 is a Gear,helical, manufactured by Renk America Llc Div Renk America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-274-6392 has 1 manufacturer part number on file: GT204 (Renk America Llc Div Renk America).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-289-7366. Verify interchangeability with system specifications before substitution.
Key specifications for GT204: Bore Nominal Diameter: 0.3750 INCHES BOTH ENDS IN; Helix Angle: 45.0000 DEGREES; Hub Nominal Diameter: 0.688 INCHES FIRST END IN; Hub Nominal Diameter: 0.688 INCHES SECOND END IN. 25 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.