PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12188Gear,spur

Aerosonic Llc · NSN 3020-00-066-5455 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-066-5455 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-066-5455. Primary manufacturer part number: 12188.
Features
  • Gear,spur — FSC 3020
  • Style Designator: PROTRUDING HUB
  • Face Nominal Width: 0.110 INCHES IN
  • Nominal Overall Length: 0.125 INCHES IN
  • Nominal Outside Diameter: 0.500 INCHES IN
  • Hub Style Designator: PLAIN BOTH ENDS
  • Pressure Angle: 14.5000 DEGREES
  • Nominal Distance Between Body Face and Protruding Hub End: 0.015 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-066-5455, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-066-5455
Primary Part Number12188
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Style DesignatorPROTRUDING HUB
Face Nominal Width0.110 INCHES IN
Nominal Overall Length0.125 INCHES IN
Nominal Outside Diameter0.500 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Pressure Angle14.5000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.015 INCHES FIRST END IN
Teeth Quantity22
Tooth FormSTUB
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Pitch Diameter0.4563 INCHES MINIMUM AND 0.4603 INCHES MAXIMUM IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-189-9324 INTERCHANGEABLE
Drill,twist
5915-00-375-2243 INTERCHANGEABLE
Filter,band Pass
4820-00-533-5810 INTERCHANGEABLE
Valve,globe
3110-00-779-3506NTA1423 INTERCHANGEABLE
Retainer and Rollers,bearing
Jtekt Bearings North America Llc Div Kbna - Ord 1
5950-01-011-4795100-5-017 INTERCHANGEABLE
Transformer,power
Meggitt (new Hampshire), Inc
5910-01-043-774038192 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Stone Construction Equipment, Inc.
4420-01-103-6932 INTERCHANGEABLE
Condenser
5999-01-150-4467 INTERCHANGEABLE
Contact,electrical
3040-01-424-980212188 INTERCHANGEABLE
Worm Shaft
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
4140-01-494-890212188 INTERCHANGEABLE
Fan,vaneaxial
Ap Labs, Inc.
Cross-Reference Index
Part NumberManufacturer
12188 PRIMARY Aerosonic Llc (USA)
Related Parts
5133-00-189-9324INTERCHANGEABLE
DRILL,TWIST
5915-00-375-2243INTERCHANGEABLE
FILTER,BAND PASS
4820-00-533-5810INTERCHANGEABLE
VALVE,GLOBE
3110-00-779-3506INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
NTA1423
5950-01-011-4795INTERCHANGEABLE
TRANSFORMER,POWER
100-5-017
5910-01-043-7740INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
38192
4420-01-103-6932INTERCHANGEABLE
CONDENSER
5999-01-150-4467INTERCHANGEABLE
CONTACT,ELECTRICAL
3040-01-424-9802INTERCHANGEABLE
WORM SHAFT
12188
4140-01-494-8902INTERCHANGEABLE
FAN,VANEAXIAL
12188

Frequently Asked Questions

What is NSN 3020-00-066-5455?

NSN 3020-00-066-5455 is a Gear,spur, manufactured by Aerosonic Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-066-5455?

NSN 3020-00-066-5455 has 1 cross-referenced part number: 12188 (Aerosonic Llc).

What NSN replaces 3020-00-066-5455?

There are 10 known substitutes for 3020-00-066-5455: 5133-00-189-9324, 5915-00-375-2243, 4820-00-533-5810 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12188?

Key specifications for 12188: Style Designator: PROTRUDING HUB; Face Nominal Width: 0.110 INCHES IN; Nominal Overall Length: 0.125 INCHES IN; Nominal Outside Diameter: 0.500 INCHES IN. 13 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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