PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5128599Gear,helical

Rolls-Royce Solutions America Inc · NSN 3020-00-966-9142 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-966-9142 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-966-9142. Primary manufacturer part number: 5128599.
Features
  • Gear,helical — FSC 3020
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Face Nominal Width: 0.760 INCHES IN
  • Pitch Diameter: 3.0005 INCHES NOMINAL IN
  • Teeth Quantity: 39
  • Tooth Form: STANDARD
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1141 Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-966-9142, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-966-9142
Primary Part Number5128599
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.760 INCHES IN
Pitch Diameter3.0005 INCHES NOMINAL IN
Teeth Quantity39
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Style DesignatorHUBLESS
Bore StyleSERRATED BOTH ENDS
Nominal Outside Diameter3.154 INCHES IN
Serration Quantity48 BOTH ENDS
Tooth DirectionRIGHT
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH
Teeth TypeSINGLE HELIX
Serration Pitch Diameter0.7340 INCHES NOMINAL BOTH ENDS IN
Helix Angle22.5104 DEGREES
Body StylePLAIN, SOLID
MaterialSTEEL COMP 1141 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-732-829133591 INTERCHANGEABLE
Hub,wheel,vehicular
Hayes Wheels Intl Inc Akron Opns
5950-00-872-4387 INTERCHANGEABLE
Coil,radio Frequency
5999-01-120-0046 INTERCHANGEABLE
Shielding Gasket,electronic
Cross-Reference Index
Part NumberManufacturer
K-5119193 Korody-Colyer Corp a Cr Industries Co (USA)
5128599 PRIMARY Rolls-Royce Solutions America Inc (USA)
3020009669142 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
PC5128599 Power Components (deutschland) Gmbh (DEU)
5128599 General Motors Corp (USA)
K-5128599 Korody-Colyer Corp a Cr Industries Co (USA)
33591 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
2530-00-732-8291INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
33591
5950-00-872-4387INTERCHANGEABLE
COIL,RADIO FREQUENCY
5999-01-120-0046INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC

Frequently Asked Questions

What is NSN 3020-00-966-9142?

NSN 3020-00-966-9142 is a Gear,helical, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-966-9142?

NSN 3020-00-966-9142 has 7 cross-referenced part numbers: K-5119193 (Korody-Colyer Corp a Cr Industries Co), 5128599 (Rolls-Royce Solutions America Inc), 3020009669142 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), PC5128599 (Power Components (deutschland) Gmbh), 5128599 (General Motors Corp) and 2 more.

What NSN replaces 3020-00-966-9142?

There are 3 known substitutes for 3020-00-966-9142: 2530-00-732-8291, 5950-00-872-4387, 5999-01-120-0046. Verify interchangeability with system specifications before substitution.

What are the specifications of 5128599?

Key specifications for 5128599: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Face Nominal Width: 0.760 INCHES IN; Pitch Diameter: 3.0005 INCHES NOMINAL IN; Teeth Quantity: 39. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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