PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28216Gear,spur

Ontic Engineering and Manufacturing, Inc. · NSN 3020-01-421-2550 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-421-2550 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-421-2550. Primary manufacturer part number: 28216.
Features
  • Gear,spur — FSC 3020
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Nominal Outside Diameter: 6.850 INCHES IN
  • Body Style: PLAIN, SOLID
  • Face Nominal Width: 0.300 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Teeth Quantity: 108
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-421-2550, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ontic Engineering and Manufacturing, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-421-2550
Primary Part Number28216
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerOntic Engineering and Manufacturing, Inc.
StatusACTIVE
MaterialALUMINUM ALLOY 2024 OVERALL
Nominal Outside Diameter6.850 INCHES IN
Body StylePLAIN, SOLID
Face Nominal Width0.300 INCHES IN
Bore StylePLAIN BOTH ENDS
Teeth Quantity108
Style DesignatorHUBLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-431-8264FDN7149 INTERCHANGEABLE
Transformer,power
Magnetika Inc
5120-01-127-5643 INTERCHANGEABLE
Wrench,open End and Flarenut,com
5330-01-270-7269 INTERCHANGEABLE
Gasket and Seal Set
6145-01-546-77942821/6 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
6850-01-607-065615226 FUEL ADDITIVE INTERCHANGEABLE
Additive Diesel Fue
Gold Eagle Co
Cross-Reference Index
Part NumberManufacturer
28216 PRIMARY Ontic Engineering and Manufacturing, Inc. (USA)
28216 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
28216 Ge Aviation Systems Llc Dba Ge Aviation (USA)
Related Parts
5950-00-431-8264INTERCHANGEABLE
TRANSFORMER,POWER
FDN7149
5120-01-127-5643INTERCHANGEABLE
WRENCH,OPEN END AND FLARENUT,COM
5330-01-270-7269INTERCHANGEABLE
GASKET AND SEAL SET
6145-01-546-7794INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2821/6
6850-01-607-0656INTERCHANGEABLE
ADDITIVE DIESEL FUE
15226 FUEL ADDITIVE

Frequently Asked Questions

What is NSN 3020-01-421-2550?

NSN 3020-01-421-2550 is a Gear,spur, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-421-2550?

NSN 3020-01-421-2550 has 3 cross-referenced part numbers: 28216 (Ontic Engineering and Manufacturing, Inc.), 28216 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 28216 (Ge Aviation Systems Llc Dba Ge Aviation).

What NSN replaces 3020-01-421-2550?

There are 5 known substitutes for 3020-01-421-2550: 5950-00-431-8264, 5120-01-127-5643, 5330-01-270-7269 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28216?

Key specifications for 28216: Material: ALUMINUM ALLOY 2024 OVERALL; Nominal Outside Diameter: 6.850 INCHES IN; End Item Identification: AIRCRAFT, HERCULES C-130; Body Style: PLAIN, SOLID. 8 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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