The Gear,helical, cataloged under National Stock Number 3020-00-034-5023, 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 Rexnord Industries Llc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-034-5023 |
| Primary Part Number | 319527 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Keyway Nominal Width | 0.501 INCHES BOTH ENDS IN |
| Helix Angle | 30.0483 DEGREES |
| Teeth Quantity | 99 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | TAPERED W/KEYWAY SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 3.250 INCHES IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | MIL-S-890,ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 12.3630 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 6.750 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.875 INCHES SECOND END IN |
| Face Nominal Width | 2.750 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 |
|---|---|
| 319527 PRIMARY | Rexnord Industries Llc (USA) |
NSN 3020-00-034-5023 is a Gear,helical, manufactured by Rexnord Industries Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-034-5023 has 1 manufacturer part number on file: 319527 (Rexnord Industries Llc).
Key specifications for 319527: Keyway Nominal Width: 0.501 INCHES BOTH ENDS IN; Helix Angle: 30.0483 DEGREES; Teeth Quantity: 99; Body Style: WEBBED, OFFSET, SOLID. 17 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.