PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

93331Gear,worm

Arma Div Ambac Industries Inc · NSN 3020-00-093-4135 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-093-4135 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-093-4135. Primary manufacturer part number: 93331.
Features
  • Gear,worm — FSC 3020
  • Pressure Angle: 14.5000 DEGREES
  • Nominal Outside Diameter: 0.374 INCHES IN
  • Helix Angle: 3.5832 DEGREES
  • Pitch Diameter: 0.3330 INCHES NOMINAL IN
  • Face Type: STRAIGHT
  • Face Nominal Width: 0.598 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-093-4135, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Arma Div Ambac Industries Inc. Government technical data includes 15 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
NSN3020-00-093-4135
Primary Part Number93331
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
Pressure Angle14.5000 DEGREES
Nominal Outside Diameter0.374 INCHES IN
Helix Angle3.5832 DEGREES
Pitch Diameter0.3330 INCHES NOMINAL IN
Face TypeSTRAIGHT
Face Nominal Width0.598 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationQQ-S-764,TYPE303,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style DesignatorTHREADED SECOND END
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Thread Form Quantity1
Nominal Distance Between Body Face and Protruding Hub End0.433 INCHES SECOND END IN
Style DesignatorPROTRUDING HUB
Thread Form DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5945-00-405-89783008309-005-101 INTERCHANGEABLE
Relay,electromagnetic
Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions
5330-00-729-442734834 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5340-01-145-978793-331 INTERCHANGEABLE
Plate,mounting
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
93331 Arma Div Ambac Industries Inc
Related Parts
5945-00-405-8978INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3008309-005-101
5330-00-729-4427INTERCHANGEABLE
GASKET
34834
5340-01-145-9787INTERCHANGEABLE
PLATE,MOUNTING
93-331

Frequently Asked Questions

What is NSN 3020-00-093-4135?

NSN 3020-00-093-4135 is a Gear,worm, manufactured by Arma Div Ambac Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-093-4135?

NSN 3020-00-093-4135 has 1 cross-referenced part number: 93331 (Arma Div Ambac Industries Inc).

What NSN replaces 3020-00-093-4135?

There are 3 known substitutes for 3020-00-093-4135: 5945-00-405-8978, 5330-00-729-4427, 5340-01-145-9787. Verify interchangeability with system specifications before substitution.

What are the specifications of 93331?

Key specifications for 93331: Pressure Angle: 14.5000 DEGREES; Nominal Outside Diameter: 0.374 INCHES IN; Helix Angle: 3.5832 DEGREES; Special Features: FIRST END DRILLED 3/16 DIA 3/8 DEEP, SECOND END HUB 10-32-3A THREADED A. 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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