PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H1612RGear,helical

Altra Industrial Motion Corp. · NSN 3020-00-197-0183 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-197-0183 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-197-0183. Primary manufacturer part number: H1612R.
Features
  • Gear,helical — FSC 3020
  • Teeth Quantity: 12
  • Face Nominal Width: 0.500 INCHES IN
  • Nominal Outside Diameter: 0.8750 INCHES IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Style Designator: HUBLESS
  • Keyway Nominal Width: 0.060 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-197-0183, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-197-0183
Primary Part NumberH1612R
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Teeth Quantity12
Face Nominal Width0.500 INCHES IN
Nominal Outside Diameter0.8750 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Style DesignatorHUBLESS
Keyway Nominal Width0.060 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Tooth DirectionRIGHT
Helix Angle45.0000 DEGREES
Pitch Diameter0.7500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nominal Distance From Bore Center to Keyway Bottom0.218 INCHES BOTH ENDS IN
Pressure Angle14.5000 DEGREES
Tooth FormSTANDARD
Surface TreatmentCADMIUM OVERALL
Teeth TypeSINGLE HELIX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-353523100 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
H1612R Altra Industrial Motion Corp. (USA)
927014 Lockheed Martin Corp Electronics and Missiles Div (USA)
K7007609PT1 General Electric Company (USA)
Related Parts
3110-00-100-3535INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
23100

Frequently Asked Questions

What is NSN 3020-00-197-0183?

NSN 3020-00-197-0183 is a Gear,helical, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-197-0183?

NSN 3020-00-197-0183 has 3 cross-referenced part numbers: H1612R (Altra Industrial Motion Corp.), 927014 (Lockheed Martin Corp Electronics and Missiles Div), K7007609PT1 (General Electric Company).

What NSN replaces 3020-00-197-0183?

There is 1 known substitute for 3020-00-197-0183: 3110-00-100-3535. Verify interchangeability with system specifications before substitution.

What are the specifications of H1612R?

Key specifications for H1612R: Teeth Quantity: 12; Face Nominal Width: 0.500 INCHES IN; Nominal Outside Diameter: 0.8750 INCHES IN; Bore Style: W/ KEYWAY BOTH ENDS. 17 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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