PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-21-6-29Sprocket Wheel

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 3020-00-174-5525 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-174-5525 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-174-5525. Primary manufacturer part number: 3-21-6-29.
Features
  • Sprocket Wheel — FSC 3020
  • Material: STEEL
  • Hole Location: ON TOP OF KEYWAY
  • Distance From Hub End to Flange End: 0.750 INCHES NOMINAL BOTH ENDS IN
  • Bore Length: 2.250 INCHES NOMINAL IN
  • Design Form: PLAIN
  • Securing Hole Quantity: 1
  • Groove Position: LOCATED IN CENTER
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-00-174-5525, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 29 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-174-5525
Primary Part Number3-21-6-29
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusACTIVE
MaterialSTEEL
Hole LocationON TOP OF KEYWAY
Distance From Hub End to Flange End0.750 INCHES NOMINAL BOTH ENDS IN
Bore Length2.250 INCHES NOMINAL IN
Design FormPLAIN
Securing Hole Quantity1
Groove PositionLOCATED IN CENTER
Hardness Rating Test MethodNOT RATED
Guide TypeGROOVE
Distance From Center of Bore to Bottom of Keyway0.844 INCHES NOMINAL IN
Furnished Items and QuantityNONE1 SETSCREW
Style DesignatorPLAIN
Pitch Diameter3.8305 INCHES NOMINAL IN
Groove Quantity1
Key Width0.375 INCHES NOMINAL IN
Securing MethodTHREADED HOLE(S)
Face Width1.500 INCHES NOMINAL IN
Tooth Pitch0.500 INCHES NOMINAL IN
Teeth Quantity Per Row24
Furnished ItemsGUIDE AND KEYING FACILITY
Bore Diameter1.313 INCHES NOMINAL IN
Thread Size3/8-16 THD SIZE
Quantity1
Keying Facility TypeKEYWAY
Keyway Width0.375 INCHES NOMINAL IN
MaterialSTEEL
Teeth Row Quantity1
Outside Diameter3.784 INCHES NOMINAL IN
Hub Outside Diameter3.125 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-125-70586400869 INTERCHANGEABLE
Crankshaft Assy,eng
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
C51802 Ramsey Products Corp (USA)
3-21-6-29 PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
Related Parts
2805-00-125-7058INTERCHANGEABLE
CRANKSHAFT ASSY,ENG
6400869

Frequently Asked Questions

What is NSN 3020-00-174-5525?

NSN 3020-00-174-5525 is a Sprocket Wheel, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-174-5525?

NSN 3020-00-174-5525 has 2 cross-referenced part numbers: C51802 (Ramsey Products Corp), 3-21-6-29 (Gas Equipment Engineering Corporation, the Dba Geeco).

What NSN replaces 3020-00-174-5525?

There is 1 known substitute for 3020-00-174-5525: 2805-00-125-7058. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-21-6-29?

Key specifications for 3-21-6-29: Material: STEEL; Hole Location: ON TOP OF KEYWAY; Overall Length: 2.250 INCHES NOMINAL IN; Distance From Hub End to Flange End: 0.750 INCHES NOMINAL BOTH ENDS IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com