PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

244-33791Gear,worm

General Dynamics Mission Systems, Inc. Dba Gdms · NSN 3020-00-853-8614 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-853-8614 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-853-8614. Primary manufacturer part number: 244-33791.
Features
  • Gear,worm — FSC 3020
  • Thread Form Quantity: 2
  • Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hub Style Designator: PLAIN BOTH ENDS
  • Surface Treatment: PASSIVATE OVERALL
  • Face Nominal Width: 0.562 INCHES IN
  • Style Designator: PROTRUDING HUB
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303s Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-853-8614, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-853-8614
Primary Part Number244-33791
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc. Dba Gdms
StatusCANCELLED
Thread Form Quantity2
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style DesignatorPLAIN BOTH ENDS
Surface TreatmentPASSIVATE OVERALL
Face Nominal Width0.562 INCHES IN
Style DesignatorPROTRUDING HUB
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
MaterialSTEEL COMP 303S OVERALL
Pressure Angle20.0000 DEGREES
Helix Angle7.1166 DEGREES
Mounting Hole Nominal Thread Size0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES FIRST END IN
Hub Nominal Diameter0.312 INCHES BOTH ENDS IN
Nominal Outside Diameter0.375 INCHES IN
Bore StylePLAIN BOTH ENDS
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Thread Form DirectionRIGHT-HAND
Pitch Diameter0.3330 INCHES NOMINAL IN
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-012-0391120391 INTERCHANGEABLE
Washer,flat
Rolls-Royce Solutions America Inc
4730-01-199-4228L2307 INTERCHANGEABLE
Locknut,pipe
Rps-Fl, Inc. Dba Rps Inc
Cross-Reference Index
Part NumberManufacturer
244-33791 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
244-33791 Motorola Inc. Dba Integrated Information Systems Group (USA)
Q10-2 Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
5310-00-012-0391INTERCHANGEABLE
WASHER,FLAT
120391
4730-01-199-4228INTERCHANGEABLE
LOCKNUT,PIPE
L2307

Frequently Asked Questions

What is NSN 3020-00-853-8614?

NSN 3020-00-853-8614 is a Gear,worm, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-853-8614?

NSN 3020-00-853-8614 has 3 cross-referenced part numbers: 244-33791 (General Dynamics Mission Systems, Inc. Dba Gdms), 244-33791 (Motorola Inc. Dba Integrated Information Systems Group), Q10-2 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3020-00-853-8614?

There are 2 known substitutes for 3020-00-853-8614: 5310-00-012-0391, 4730-01-199-4228. Verify interchangeability with system specifications before substitution.

What are the specifications of 244-33791?

Key specifications for 244-33791: Thread Form Quantity: 2; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Hub Style Designator: PLAIN BOTH ENDS; Surface Treatment: PASSIVATE OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-853-8614 still in active supply?

NSN 3020-00-853-8614 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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