PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17993-00000Gear,spur

Sigma Tek, Inc. · NSN 3020-00-623-0044 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-623-0044 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-623-0044. Primary manufacturer part number: 17993-00000.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 0.5833 INCHES NOMINAL IN
  • Face Nominal Width: 0.125 INCHES IN
  • Material: PLASTIC PHENOLIC BODY
  • Nominal Outside Diameter: 0.604 INCHES IN
  • Surface Treatment: ANODIZE HUB
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Plastic Phenolic Body construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-623-0044, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Sigma Tek, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-623-0044
Primary Part Number17993-00000
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSigma Tek, Inc.
StatusACTIVE
Pressure Angle20.0000 DEGREES
Pitch Diameter0.5833 INCHES NOMINAL IN
Face Nominal Width0.125 INCHES IN
MaterialPLASTIC PHENOLIC BODY
Nominal Outside Diameter0.604 INCHES IN
Surface TreatmentANODIZE HUB
Tooth FormSTANDARD
Teeth Quantity56
Style DesignatorPROTRUDING HUB
MaterialALUMINUM ALLOY HUB
Body StylePLAIN, SOLID
Nominal Overall Length0.656 INCHES IN
Spline Quantity11 FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.531 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-156-47121110378 INTERCHANGEABLE
Bearing,ball,annular
Westinghouse Electric Corp
3455-00-238-7664 INTERCHANGEABLE
Cutter,milling,involute Gear
6625-01-277-069017993 INTERCHANGEABLE
Meter,electrical Frequency
Custom Metering Company Inc
6625-01-444-44185106199 ITEM 325 INTERCHANGEABLE
Meter,electrical Frequency
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
17993-00000 Cessna Aircraft Co Arc Avionics Div (USA)
17993 Cessna Aircraft Co Arc Avionics Div (USA)
17993-00000 PRIMARY Sigma Tek, Inc. (USA)
Related Parts
3110-00-156-4712INTERCHANGEABLE
BEARING,BALL,ANNULAR
1110378
3455-00-238-7664INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
6625-01-277-0690INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
17993
6625-01-444-4418INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
5106199 ITEM 325

Frequently Asked Questions

What is NSN 3020-00-623-0044?

NSN 3020-00-623-0044 is a Gear,spur, manufactured by Sigma Tek, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-623-0044?

NSN 3020-00-623-0044 has 3 cross-referenced part numbers: 17993-00000 (Cessna Aircraft Co Arc Avionics Div), 17993 (Cessna Aircraft Co Arc Avionics Div), 17993-00000 (Sigma Tek, Inc.).

What NSN replaces 3020-00-623-0044?

There are 4 known substitutes for 3020-00-623-0044: 3110-00-156-4712, 3455-00-238-7664, 6625-01-277-0690 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17993-00000?

Key specifications for 17993-00000: Pressure Angle: 20.0000 DEGREES; Pitch Diameter: 0.5833 INCHES NOMINAL IN; Face Nominal Width: 0.125 INCHES IN; Material: PLASTIC PHENOLIC BODY. 15 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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