PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G103777Gear,spur

Cnh Industrial America Llc Dba Cnh America · NSN 3020-00-397-5992 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-397-5992 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-397-5992. Primary manufacturer part number: G103777.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: PLAIN BOTH ENDS
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Quantity: 40
  • Hardness Rating: 59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
  • Hub Nominal Diameter: 2.500 INCHES FIRST END IN
  • Hub Nominal Diameter: 2.500 INCHES SECOND END IN
  • Pitch Diameter: 6.6666 INCHES NOMINAL IN
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 3020-00-397-5992, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cnh Industrial America Llc Dba Cnh America. 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
NSN3020-00-397-5992
Primary Part NumberG103777
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCnh Industrial America Llc Dba Cnh America
StatusACTIVE
Hub Style DesignatorPLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Teeth Quantity40
Hardness Rating59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
Hub Nominal Diameter2.500 INCHES FIRST END IN
Hub Nominal Diameter2.500 INCHES SECOND END IN
Pitch Diameter6.6666 INCHES NOMINAL IN
Spline Pitch Diameter1.8750 INCHES NOMINAL BOTH ENDS IN
Bore StyleINVOLUTE SPLINE BOTH ENDS
MaterialSTEEL COMP 8620H OVERALL
Spline Quantity15 BOTH ENDS
Style DesignatorONE PROTRUDING HUB, ONE FLUSH HUB
Nominal Outside Diameter6.985 INCHES IN
Tooth FormSTANDARD
Bore Nominal Diameter2.038 INCHES BOTH ENDS IN
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.750 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.245 INCHES FIRST END IN
Body StyleWEBBED, OFFSET, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1680-00-554-65928374-2 INTERCHANGEABLE
Shaft Assembly,flexible
Cef Industries, Llc Dba Cef Industries Inc
5940-01-123-1877A505-12 INTERCHANGEABLE
Cover,terminal Board
Seastrom Manufacturing Co Inc
6530-01-334-4375A50512 INTERCHANGEABLE
Band,exercise,physical Therapy
Performance Health Supply, Llc Dba Sammons Preston Rolyan
Cross-Reference Index
Part NumberManufacturer
G103777 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
A50512 Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
1680-00-554-6592INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
8374-2
5940-01-123-1877INTERCHANGEABLE
COVER,TERMINAL BOARD
A505-12
6530-01-334-4375INTERCHANGEABLE
BAND,EXERCISE,PHYSICAL THERAPY
A50512

Frequently Asked Questions

What is NSN 3020-00-397-5992?

NSN 3020-00-397-5992 is a Gear,spur, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-397-5992?

NSN 3020-00-397-5992 has 2 cross-referenced part numbers: G103777 (Cnh Industrial America Llc Dba Cnh America), A50512 (Cnh Industrial America Llc Dba Cnh America).

What NSN replaces 3020-00-397-5992?

There are 3 known substitutes for 3020-00-397-5992: 1680-00-554-6592, 5940-01-123-1877, 6530-01-334-4375. Verify interchangeability with system specifications before substitution.

What are the specifications of G103777?

Key specifications for G103777: Hub Style Designator: PLAIN BOTH ENDS; Pressure Angle: 20.0000 DEGREES; Teeth Quantity: 40; Hardness Rating: 59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL. 19 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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