PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89-8-1Gear,spur

Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products · NSN 3020-00-556-0923 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-556-0923 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-556-0923. Primary manufacturer part number: 89-8-1.
Features
  • Gear,spur — FSC 3020
  • Bore Style: STRAIGHT SPLINE BOTH ENDS
  • Style Designator: PROTRUDING HUBS
  • Hardness Rating: 55.0 ROCKWELL C NOMINAL OVERALL
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Quantity: 39
  • Body Style: WEBBED, OFFSET, SOLID
  • Face Nominal Width: 1.500 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-556-0923, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products. Government technical data includes 12 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-556-0923
Primary Part Number89-8-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
StatusACTIVE
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Style DesignatorPROTRUDING HUBS
Hardness Rating55.0 ROCKWELL C NOMINAL OVERALL
Pressure Angle20.0000 DEGREES
Teeth Quantity39
Body StyleWEBBED, OFFSET, SOLID
Face Nominal Width1.500 INCHES IN
Nominal Overall Length3.997 INCHES IN
Spline Quantity10 BOTH ENDS
Pitch Diameter6.5000 INCHES NOMINAL IN
First Groove Nominal Width0.125 INCHES FIRST END IN
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-350-86698981 INTERCHANGEABLE
Impeller,pump,centrifugal
Itt Jabsco Products
4810-00-670-34769776086-10 INTERCHANGEABLE
Parts Kit,valve
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
5330-00-671-912401-137-003 INTERCHANGEABLE
Seal,rotary
Eg and G Inc
5805-01-017-5697 INTERCHANGEABLE
Splicing Kit,telephone Cable
5950-01-256-8549 INTERCHANGEABLE
Transformer,power
3010-01-260-21088981 INTERCHANGEABLE
Drive Unit,angle
The Gorman-Rupp Company Div Gorman-Rupp
5950-01-311-2280L11-0004-031 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
6510-01-566-0661DP1057 INTERCHANGEABLE
Dural Regeneration Matrix
Integra Lifesciences Corporation
Cross-Reference Index
Part NumberManufacturer
89-8-1 PRIMARY Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
5560923 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2ES12758 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
89-8-1 PRIMARY Dana Corp Spicer Transmission Div (USA)
Related Parts
4320-00-350-8669INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
8981
4810-00-670-3476INTERCHANGEABLE
PARTS KIT,VALVE
9776086-10
5330-00-671-9124INTERCHANGEABLE
SEAL,ROTARY
01-137-003
5805-01-017-5697INTERCHANGEABLE
SPLICING KIT,TELEPHONE CABLE
5950-01-256-8549INTERCHANGEABLE
TRANSFORMER,POWER
3010-01-260-2108INTERCHANGEABLE
DRIVE UNIT,ANGLE
8981
5950-01-311-2280INTERCHANGEABLE
COIL,RADIO FREQUENCY
L11-0004-031
6510-01-566-0661INTERCHANGEABLE
DURAL REGENERATION MATRIX
DP1057

Frequently Asked Questions

What is NSN 3020-00-556-0923?

NSN 3020-00-556-0923 is a Gear,spur, manufactured by Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-556-0923?

NSN 3020-00-556-0923 has 4 cross-referenced part numbers: 89-8-1 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), 5560923 (U S Army Tank Automotive Command Amsta-Im-Mm), 2ES12758 (Meritor Heavy Vehicle Systems, Llc), 89-8-1 (Dana Corp Spicer Transmission Div).

What NSN replaces 3020-00-556-0923?

There are 8 known substitutes for 3020-00-556-0923: 4320-00-350-8669, 4810-00-670-3476, 5330-00-671-9124 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 89-8-1?

Key specifications for 89-8-1: Bore Style: STRAIGHT SPLINE BOTH ENDS; Style Designator: PROTRUDING HUBS; Hardness Rating: 55.0 ROCKWELL C NOMINAL OVERALL; Pressure Angle: 20.0000 DEGREES. 12 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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