PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-8-2Gear,spur

Dana Corp Spicer Transmission Div · NSN 3020-00-737-1206 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-737-1206 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-737-1206. Primary manufacturer part number: 18-8-2.
Features
  • Gear,spur — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 0.562 INCHES FIRST END IN
  • First Groove Nominal Diameter: 2.435 INCHES FIRST END IN
  • Pressure Angle: 22.5000 DEGREES
  • Nominal Distance From End to First Groove: 0.150 INCHES FIRST END IN
  • Bore Style: INVOLUTE SPLINE BOTH ENDS
  • Counterbore Nominal Depth: 0.062 INCHES SECOND END IN
  • Teeth Quantity: 37
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8620h Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-737-1206, 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 Corp Spicer Transmission Div. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-737-1206
Primary Part Number18-8-2
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End0.562 INCHES FIRST END IN
First Groove Nominal Diameter2.435 INCHES FIRST END IN
Pressure Angle22.5000 DEGREES
Nominal Distance From End to First Groove0.150 INCHES FIRST END IN
Bore StyleINVOLUTE SPLINE BOTH ENDS
Counterbore Nominal Depth0.062 INCHES SECOND END IN
Teeth Quantity37
Hub Style DesignatorPLAIN SECOND END
Counterbore Nominal Diameter2.250 INCHES SECOND END IN
Bore Nominal Diameter1.999 INCHES BOTH ENDS IN
Material Document and Classification66,AISI/SAE 8620H FED STD SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
First Groove Nominal Width0.388 INCHES FIRST END IN
MaterialSTEEL COMP 8620H OVERALL
Spline Pitch Diameter1.8490 INCHES NOMINAL BOTH ENDS IN
Style DesignatorPROTRUDING HUBS
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Pitch Diameter5.2860 INCHES NOMINAL IN
Nominal Overall Length1.250 INCHES IN
Spline Quantity12 BOTH ENDS
Body StyleWEBBED, OFFSET, SOLID
Nominal Distance Between Body Face and Protruding Hub End0.063 INCHES SECOND END IN
End Nominal Diameter3.000 INCHES FIRST END IN
Hub Style Designator1 GROOVE FIRST END
Hub Nominal Diameter2.562 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-073-9917024030XX INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
5950-00-080-2516SMC423162-8 INTERCHANGEABLE
Coil,radio Frequency
Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories
5360-00-375-26531882 INTERCHANGEABLE
Spring,helical,compression
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6630-00-420-0507 INTERCHANGEABLE
Test Kit,alkacid Full Range Ph
5950-00-518-43791882 INTERCHANGEABLE
Transformer,audio Frequency
Magnetek Inc Lighting Products Group
5310-00-595-6612MS20002-12 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1630-00-672-35791882 INTERCHANGEABLE
Cap,hub,tail Wheel
Avox Systems Inc Dba Avox Systems Inc
1650-00-797-40011882-1S INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Eaton Aerospace, Llc Dba Jackson South
6515-01-026-97251882 INTERCHANGEABLE
Intravenous Injection Set
Abbott Laboratories Inc. Dba Abbott Nutrition Div Abbott Diagnostics Division
6515-01-140-54041882 INTERCHANGEABLE
Cuff,sphygmomanometer
W. a. Baum Co., Inc. Dba Wa Baum Co Inc
Cross-Reference Index
Part NumberManufacturer
A988 Am General Llc (USA)
AP88 Am General Llc (USA)
18-8-2 PRIMARY Dana Corp Spicer Transmission Div (USA)
18-8-2 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
7371206 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
GP7765 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
G7765 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
R20839 Pressed Metals of America Inc (USA)
G7765 Ford Motor Company (USA)
GP7765 Ford Motor Company (USA)
Related Parts
4820-00-073-9917INTERCHANGEABLE
VALVE,CHECK
024030XX
5950-00-080-2516INTERCHANGEABLE
COIL,RADIO FREQUENCY
SMC423162-8
5360-00-375-2653INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1882
6630-00-420-0507INTERCHANGEABLE
TEST KIT,ALKACID FULL RANGE PH
5950-00-518-4379INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1882
5310-00-595-6612INTERCHANGEABLE
WASHER,FLAT
MS20002-12
1630-00-672-3579INTERCHANGEABLE
CAP,HUB,TAIL WHEEL
1882
1650-00-797-4001INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP
1882-1S
6515-01-026-9725INTERCHANGEABLE
INTRAVENOUS INJECTION SET
1882
6515-01-140-5404INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
1882
5905-01-307-6231INTERCHANGEABLE
RESISTOR,FIXED,FILM
188-2
6750-01-379-6441INTERCHANGEABLE
PAPER,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 3020-00-737-1206?

NSN 3020-00-737-1206 is a Gear,spur, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-737-1206?

NSN 3020-00-737-1206 has 10 cross-referenced part numbers: A988 (Am General Llc), AP88 (Am General Llc), 18-8-2 (Dana Corp Spicer Transmission Div), 18-8-2 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), 7371206 (U S Army Tank Automotive Command Amsta-Im-Mm) and 5 more.

What NSN replaces 3020-00-737-1206?

There are 12 known substitutes for 3020-00-737-1206: 4820-00-073-9917, 5950-00-080-2516, 5360-00-375-2653 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-8-2?

Key specifications for 18-8-2: Nominal Distance Between Body Face and Protruding Hub End: 0.562 INCHES FIRST END IN; First Groove Nominal Diameter: 2.435 INCHES FIRST END IN; Pressure Angle: 22.5000 DEGREES; Nominal Distance From End to First Groove: 0.150 INCHES FIRST END IN. 25 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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