PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-21126Gear,spur

Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center · NSN 3020-01-306-2981 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-306-2981 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-306-2981. Primary manufacturer part number: C-21126.
Features
  • Gear,spur — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-306-2981, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersControl Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (CAGE 16603); Control Flow, Inc. Dba Control Flow Inc (CAGE 3X894); Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (CAGE 97578)
Technical Specifications
ParameterValue
NSN3020-01-306-2981
Primary Part NumberC-21126
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTimken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-382-7700C211-26 INTERCHANGEABLE
Gear Assembly,pinio
Unicontrol Inc Hays Cleveland Div
Cross-Reference Index
Part NumberManufacturer
N-100.600 PIECE 8 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
N-100.600 PIECE 8 Control Flow, Inc. Dba Control Flow Inc (USA)
C-21126 PRIMARY Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
Related Parts
3020-00-382-7700INTERCHANGEABLE
GEAR ASSEMBLY,PINIO
C211-26

Frequently Asked Questions

What is NSN 3020-01-306-2981?

NSN 3020-01-306-2981 is a Gear,spur, manufactured by Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-306-2981?

NSN 3020-01-306-2981 has 3 cross-referenced part numbers: N-100.600 PIECE 8 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), N-100.600 PIECE 8 (Control Flow, Inc. Dba Control Flow Inc), C-21126 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center).

What NSN replaces 3020-01-306-2981?

There is 1 known substitute for 3020-01-306-2981: 3020-00-382-7700. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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