PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21364Gear,worm Wheel

Dressta North America Ltd · NSN 3020-00-430-9345 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-430-9345 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-430-9345. Primary manufacturer part number: 21364.
Features
  • Gear,worm Wheel — FSC 3020
  • Style Designator: PROTRUDING HUBS
  • Material: IRON CAST OVERALL
  • Nominal Outside Diameter: 4.500 INCHES IN
  • Hub Style Designator: PLAIN BOTH ENDS
  • Helix Angle: 12.5332 DEGREES
  • Nominal Distance Between Body Face and Protruding Hub End: 0.312 INCHES BOTH ENDS IN
  • Teeth Quantity: 25
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Iron Cast Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-00-430-9345, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 20 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
NSN3020-00-430-9345
Primary Part Number21364
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
Style DesignatorPROTRUDING HUBS
MaterialIRON CAST OVERALL
Nominal Outside Diameter4.500 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Helix Angle12.5332 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.312 INCHES BOTH ENDS IN
Teeth Quantity25
Hub Nominal Diameter2.750 INCHES BOTH ENDS IN
Bore Nominal Diameter1.125 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Face Nominal Width1.125 INCHES IN
Pressure Angle14.5000 DEGREES
Nominal Distance From Bore Center to Keyway Bottom0.750 INCHES BOTH ENDS IN
Mating Thread Lead Quantity2
Keyway Nominal Width0.375 INCHES BOTH ENDS IN
Throat Nominal Radius0.556 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Tooth DirectionRIGHT
Pitch Diameter3.9870 INCHES NOMINAL IN
Face TypeCONCAVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-507-3218A10311 INTERCHANGEABLE
Air Cleaner,intake
Donaldson Company, Inc.
4030-01-387-984011030 INTERCHANGEABLE
Hook,hoist
Ingersoll-Rand Co Material Handling Div
4820-01-514-963621364-1001-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-545-022221364-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21364 Komatsu America Corporation (USA)
H21364 Komatsu America Corporation (USA)
21364 PRIMARY Dressta North America Ltd (USA)
Related Parts
2940-00-507-3218INTERCHANGEABLE
AIR CLEANER,INTAKE
A10311
4030-01-387-9840INTERCHANGEABLE
HOOK,HOIST
11030
4820-01-514-9636INTERCHANGEABLE
CAP,VALVE
21364-1001-1
4810-01-545-0222INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21364-001

Frequently Asked Questions

What is NSN 3020-00-430-9345?

NSN 3020-00-430-9345 is a Gear,worm Wheel, manufactured by Dressta North America Ltd, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-430-9345?

NSN 3020-00-430-9345 has 3 cross-referenced part numbers: 21364 (Komatsu America Corporation), H21364 (Komatsu America Corporation), 21364 (Dressta North America Ltd).

What NSN replaces 3020-00-430-9345?

There are 4 known substitutes for 3020-00-430-9345: 2940-00-507-3218, 4030-01-387-9840, 4820-01-514-9636 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21364?

Key specifications for 21364: Style Designator: PROTRUDING HUBS; Material: IRON CAST OVERALL; Nominal Outside Diameter: 4.500 INCHES IN; Hub Style Designator: PLAIN BOTH ENDS. 20 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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