PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66624Gear,spur

Northrop Grumman Corp Precision Products Plant · NSN 3020-00-148-3458 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-148-3458 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-148-3458. Primary manufacturer part number: 66624.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Body Style: PLAIN, SOLID
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Quantity: 31
  • Nominal Outside Diameter: 0.687 INCHES IN
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Material Document and Classification: QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-148-3458, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Northrop Grumman Corp Precision Products Plant. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-148-3458
Primary Part Number66624
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Corp Precision Products Plant
StatusACTIVE
Tooth FormSTANDARD
Body StylePLAIN, SOLID
Pressure Angle20.0000 DEGREES
Teeth Quantity31
Nominal Outside Diameter0.687 INCHES IN
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Material Document and ClassificationQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter0.6458 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OVERALL
Face Nominal Width0.146 INCHES IN
Style DesignatorHUBLESS
Surface TreatmentPASSIVATE OVERALL
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5995-00-779-3409UA-1049 INTERCHANGEABLE
Cable Assembly,elec
United Avionics, Inc. Dba United Avionics Inc
5945-00-899-2666 INTERCHANGEABLE
Relay,electromagnetic
5330-01-469-215966624 INTERCHANGEABLE
Gasket
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
66624 Northrop Grumman Corp Precision Products Plant (USA)
Related Parts
5995-00-779-3409INTERCHANGEABLE
CABLE ASSEMBLY,ELEC
UA-1049
5945-00-899-2666INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5330-01-469-2159INTERCHANGEABLE
GASKET
66624

Frequently Asked Questions

What is NSN 3020-00-148-3458?

NSN 3020-00-148-3458 is a Gear,spur, manufactured by Northrop Grumman Corp Precision Products Plant, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-148-3458?

NSN 3020-00-148-3458 has 1 cross-referenced part number: 66624 (Northrop Grumman Corp Precision Products Plant).

What NSN replaces 3020-00-148-3458?

There are 3 known substitutes for 3020-00-148-3458: 5995-00-779-3409, 5945-00-899-2666, 5330-01-469-2159. Verify interchangeability with system specifications before substitution.

What are the specifications of 66624?

Key specifications for 66624: Tooth Form: STANDARD; Body Style: PLAIN, SOLID; Pressure Angle: 20.0000 DEGREES; Teeth Quantity: 31. 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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