The Gear,helical, cataloged under National Stock Number 3020-00-967-3307, 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 Rolls-Royce Solutions America Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-967-3307 |
| Primary Part Number | 5128600 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Helix Angle | 70.0000 DEGREES |
| Teeth Quantity | 39 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | SERRATED BOTH ENDS |
| Mounting Hole Type and Quantity | 4 THREADED AXIALLY THROUGH BODY FIRST END |
| Serration Pitch Diameter | 0.7200 INCHES NOMINAL BOTH ENDS IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | CASEHARDENED |
| Mounting Hole Nominal Thread Size | 0.250 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Outside Diameter | 3.1450 INCHES IN |
| Serration Quantity | 48 BOTH ENDS |
| Mounting Hole Thread Quantity Per Inch | 28 AXIALLY THROUGH BODY FIRST END |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 2.313 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.766 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 |
|---|---|
| 5128600 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 33592 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| PC5128600 | Power Components (deutschland) Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| K5128600 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
NSN 3020-00-967-3307 is a Gear,helical, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-967-3307 has 3 manufacturer part numbers on file: 5128600 (Rolls-Royce Solutions America Inc), 33592 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), PC5128600 (Power Components (deutschland) Gmbh).
3 possible matches (shared part number, not a government interchangeability claim): 6650-01-059-8941, 5330-01-137-7277, 3040-01-526-9102. Verify interchangeability with system specifications before substitution.
Key specifications for 5128600: Helix Angle: 70.0000 DEGREES; Teeth Quantity: 39; Body Style: PLAIN, SOLID; Tooth Direction: LEFT. 22 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.