PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32878CGear,spur

Hyster-Yale Group, Inc. · NSN 3020-00-308-7163 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-308-7163 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-308-7163. Primary manufacturer part number: 32878C.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Pitch Diameter: 4.0000 INCHES NOMINAL IN
  • Counterbore Nominal Depth: 0.687 INCHES FIRST END IN
  • Teeth Quantity: 12
  • Nominal Outside Diameter: 4.498 INCHES IN
  • Nominal Overall Length: 3.938 INCHES IN
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E4340h Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-308-7163, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hyster-Yale Group, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3020-00-308-7163
Primary Part Number32878C
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerHyster-Yale Group, Inc.
StatusACTIVE
Body StylePLAIN, SOLID
Pitch Diameter4.0000 INCHES NOMINAL IN
Counterbore Nominal Depth0.687 INCHES FIRST END IN
Teeth Quantity12
Nominal Outside Diameter4.498 INCHES IN
Nominal Overall Length3.938 INCHES IN
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Tooth FormSTUB
Nominal Distance Between Body Face and Protruding Hub End0.182 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
MaterialSTEEL COMP E4340H OVERALL
Counterbore Nominal Diameter2.440 INCHES FIRST END IN
Hub Nominal Diameter3.250 INCHES FIRST END IN
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Style DesignatorPROTRUDING HUB
Spline Quantity6 BOTH ENDS
Material Document and Classification66,AISI/SAE E4340H FED STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width3.500 INCHES IN
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1560-00-572-683532878 INTERCHANGEABLE
Cable Assy
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
4720-00-676-79362556-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5330-01-352-7787 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Cross-Reference Index
Part NumberManufacturer
32878C PRIMARY Hyster-Yale Group, Inc. (USA)
32878 Hyster-Yale Group, Inc. (USA)
Related Parts
1560-00-572-6835INTERCHANGEABLE
CABLE ASSY
32878
4720-00-676-7936INTERCHANGEABLE
HOSE,NONMETALLIC
2556-6
5330-01-352-7787INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED

Frequently Asked Questions

What is NSN 3020-00-308-7163?

NSN 3020-00-308-7163 is a Gear,spur, manufactured by Hyster-Yale Group, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-308-7163?

NSN 3020-00-308-7163 has 2 cross-referenced part numbers: 32878C (Hyster-Yale Group, Inc.), 32878 (Hyster-Yale Group, Inc.).

What NSN replaces 3020-00-308-7163?

There are 3 known substitutes for 3020-00-308-7163: 1560-00-572-6835, 4720-00-676-7936, 5330-01-352-7787. Verify interchangeability with system specifications before substitution.

What are the specifications of 32878C?

Key specifications for 32878C: Body Style: PLAIN, SOLID; Pitch Diameter: 4.0000 INCHES NOMINAL IN; Counterbore Nominal Depth: 0.687 INCHES FIRST END IN; Teeth Quantity: 12. 20 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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