PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35849Gear,spur

Goodrich Corporation Dba Goodrich Corp, a New York Corp · NSN 3020-00-321-3901 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-321-3901 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-321-3901. Primary manufacturer part number: 35849.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 25.0000 DEGREES
  • Hub Style Designator: PLAIN BOTH ENDS
  • Backlash Designation: GRADE C
  • Tooth Form: SPECIAL
  • Teeth Quantity: 43
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-321-3901, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Goodrich Corporation Dba Goodrich Corp, a New York Corp. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-321-3901
Primary Part Number35849
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGoodrich Corporation Dba Goodrich Corp, a New York Corp
StatusACTIVE
Pressure Angle25.0000 DEGREES
Hub Style DesignatorPLAIN BOTH ENDS
Backlash DesignationGRADE C
Tooth FormSPECIAL
Teeth Quantity43
Bore StyleW/ KEYWAY BOTH ENDS
Keyway Nominal Width0.125 INCHES BOTH ENDS IN
Bore Nominal Diameter0.562 INCHES BOTH ENDS IN
Body StyleWEBBED, OFFSET, SOLID
Nominal Distance From Bore Center to Keyway Bottom0.3397 INCHES BOTH ENDS IN
Pitch Diameter1.7916 INCHES NOMINAL IN
Hardness Rating42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 4340 OVERALL
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
Nominal Distance Between Body Face and Recessed Hub End0.140 INCHES SECOND END IN
Material Document and Classification66 AISI/SAE 4340 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.330 INCHES FIRST END IN
Hub Nominal Diameter0.810 INCHES SECOND END IN
Precision ClassificationQUALITY NUMBER 9
Nominal Outside Diameter1.924 INCHES IN
Face Nominal Width0.290 INCHES IN
Hub Nominal Diameter0.811 INCHES FIRST END IN
Nominal Overall Length0.620 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2925-00-090-491026278 INTERCHANGEABLE
Lacing
Vse Aviation, Inc.
5330-01-350-438235849 INTERCHANGEABLE
Gasket
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
35849 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
35849 PRIMARY Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA)
Related Parts
2925-00-090-4910INTERCHANGEABLE
LACING
26278
5330-01-350-4382INTERCHANGEABLE
GASKET
35849

Frequently Asked Questions

What is NSN 3020-00-321-3901?

NSN 3020-00-321-3901 is a Gear,spur, manufactured by Goodrich Corporation Dba Goodrich Corp, a New York Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-321-3901?

NSN 3020-00-321-3901 has 2 cross-referenced part numbers: 35849 (Goodrich Corporation Dba Trw Lucas Aerospace), 35849 (Goodrich Corporation Dba Goodrich Corp, a New York Corp).

What NSN replaces 3020-00-321-3901?

There are 2 known substitutes for 3020-00-321-3901: 2925-00-090-4910, 5330-01-350-4382. Verify interchangeability with system specifications before substitution.

What are the specifications of 35849?

Key specifications for 35849: Pressure Angle: 25.0000 DEGREES; Hub Style Designator: PLAIN BOTH ENDS; Backlash Designation: GRADE C; Tooth Form: SPECIAL. 23 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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