PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1374-16Gear,worm

Raytheon Company Dba Raytheon Co · NSN 3020-00-243-6660 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-243-6660 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-243-6660. Primary manufacturer part number: 1374-16.
Features
  • Gear,worm — FSC 3020
  • Face Nominal Width: 0.688 INCHES IN
  • Nominal Outside Diameter: 0.5000 INCHES IN
  • Helix Angle: 4.0833 DEGREES
  • Thread Form Direction: RIGHT-HAND
  • Pressure Angle: 14.5000 DEGREES
  • Hub Nominal Diameter: 0.348 INCHES FIRST END IN
  • Hub Style Designator: PLAIN FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-243-6660, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-243-6660
Primary Part Number1374-16
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Face Nominal Width0.688 INCHES IN
Nominal Outside Diameter0.5000 INCHES IN
Helix Angle4.0833 DEGREES
Thread Form DirectionRIGHT-HAND
Pressure Angle14.5000 DEGREES
Hub Nominal Diameter0.348 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Thread Form Quantity1
MaterialSTEEL OVERALL
Bore Nominal Diameter0.218 INCHES BOTH ENDS IN
Surface TreatmentPASSIVATE OVERALL
Style DesignatorPROTRUDING HUB
Nominal Distance Between Body Face and Protruding Hub End0.187 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Face TypeSTRAIGHT
Pitch Diameter0.4375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-01-059-54869202 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5340-01-492-1769137416 INTERCHANGEABLE
Cover,access
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
1374-16 PRIMARY Raytheon Company Dba Raytheon Co (USA)
1374-16 Raytheon Company Div Corp (USA)
Related Parts
5365-01-059-5486INTERCHANGEABLE
SPACER,SLEEVE
9202
5340-01-492-1769INTERCHANGEABLE
COVER,ACCESS
137416

Frequently Asked Questions

What is NSN 3020-00-243-6660?

NSN 3020-00-243-6660 is a Gear,worm, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-243-6660?

NSN 3020-00-243-6660 has 2 cross-referenced part numbers: 1374-16 (Raytheon Company Dba Raytheon Co), 1374-16 (Raytheon Company Div Corp).

What NSN replaces 3020-00-243-6660?

There are 2 known substitutes for 3020-00-243-6660: 5365-01-059-5486, 5340-01-492-1769. Verify interchangeability with system specifications before substitution.

What are the specifications of 1374-16?

Key specifications for 1374-16: Face Nominal Width: 0.688 INCHES IN; Nominal Outside Diameter: 0.5000 INCHES IN; Helix Angle: 4.0833 DEGREES; Thread Form Direction: RIGHT-HAND. 16 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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