PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3892-C-1771Gear,helical

Meritor Heavy Vehicle Systems, Llc · NSN 3020-00-406-6955 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-406-6955 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-406-6955. Primary manufacturer part number: 3892-C-1771.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, SOLID
  • Nominal Outside Diameter: 6.696 INCHES IN
  • Tooth Form: STANDARD
  • Pitch Diameter: 6.2980 INCHES NOMINAL IN
  • Bore Nominal Diameter: 2.854 INCHES BOTH ENDS IN
  • Nominal Distance Between Body Face and Recessed Hub End: 0.125 INCHES SECOND END IN
  • Tooth Direction: RIGHT
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 3020-00-406-6955, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-406-6955
Primary Part Number3892-C-1771
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusACTIVE
Body StyleWEBBED, SOLID
Nominal Outside Diameter6.696 INCHES IN
Tooth FormSTANDARD
Pitch Diameter6.2980 INCHES NOMINAL IN
Bore Nominal Diameter2.854 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Recessed Hub End0.125 INCHES SECOND END IN
Tooth DirectionRIGHT
Teeth Quantity31
Teeth TypeSINGLE HELIX
Face Nominal Width2.875 INCHES IN
Spline Quantity10 BOTH ENDS
MaterialSTEEL OVERALL
Style DesignatorONE FLUSH HUB, ONE RECESSED HUB
Pressure Angle17.5000 DEGREES
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Hub Style DesignatorPLAIN BOTH ENDS
Helix Angle17.5515 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-866-521122446 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5306-01-017-381522446 INTERCHANGEABLE
Bolt,eye
Jenny Products, Inc
5330-01-269-4366 INTERCHANGEABLE
Seal,plain Encased
4730-01-431-662973248 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
3892-C-1771 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
73248 Little Giant Crane and Shovel Inc (USA)
1001Z400 Morris Material Handling, Inc. (USA)
22446 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
Related Parts
5330-00-866-5211INTERCHANGEABLE
SEAL,PLAIN ENCASED
22446
5306-01-017-3815INTERCHANGEABLE
BOLT,EYE
22446
5330-01-269-4366INTERCHANGEABLE
SEAL,PLAIN ENCASED
4730-01-431-6629INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
73248

Frequently Asked Questions

What is NSN 3020-00-406-6955?

NSN 3020-00-406-6955 is a Gear,helical, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-406-6955?

NSN 3020-00-406-6955 has 4 cross-referenced part numbers: 3892-C-1771 (Meritor Heavy Vehicle Systems, Llc), 73248 (Little Giant Crane and Shovel Inc), 1001Z400 (Morris Material Handling, Inc.), 22446 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations).

What NSN replaces 3020-00-406-6955?

There are 4 known substitutes for 3020-00-406-6955: 5330-00-866-5211, 5306-01-017-3815, 5330-01-269-4366 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3892-C-1771?

Key specifications for 3892-C-1771: Body Style: WEBBED, SOLID; Nominal Outside Diameter: 6.696 INCHES IN; Tooth Form: STANDARD; Pitch Diameter: 6.2980 INCHES NOMINAL IN. 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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