PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400424Gear Cluster

Alnitak Corporation · NSN 3020-01-029-0133 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-029-0133 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-029-0133. Primary manufacturer part number: 400424.
Features
  • Gear Cluster — FSC 3020
  • Material: STEEL OVERALL
  • Nominal Overall Length: 0.240 INCHES IN
  • Hub Style Designator: PLAIN FIRST END
  • Nominal Outside Diameter: 1.0417 INCHES FIRST GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN
  • Construction: SOLID
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-029-0133, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Alnitak Corporation. Government technical data includes 12 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-029-0133
Primary Part Number400424
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAlnitak Corporation
StatusACTIVE
MaterialSTEEL OVERALL
Nominal Overall Length0.240 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter1.0417 INCHES FIRST GEAR IN
Design TypeSPUR SECOND GEAR
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
ConstructionSOLID
Design TypeSPUR FIRST GEAR
Hub Nominal Length0.0050 INCHES FIRST END IN
Hub Nominal Diameter0.562 INCHES FIRST END IN
Nominal Outside Diameter0.438 INCHES SECOND GEAR IN
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-133-9930400424 INTERCHANGEABLE
Seal Ring,metal
Textron Lycoming Inc Williamsport Plant
5365-01-020-5721 INTERCHANGEABLE
Spacer,ring
5330-01-326-8024400424 INTERCHANGEABLE
Gasket
Hunt Valve Company, Inc.
6510-01-493-9042400424 INTERCHANGEABLE
Sponge,surgical
Medtronics Xomed Surgical Products Inc Dba Medtronics Xomed
4820-01-599-63204004-24 INTERCHANGEABLE
Valve,check
Aerospace Systems and Components, Inc.
Cross-Reference Index
Part NumberManufacturer
400424 PRIMARY Alnitak Corporation (USA)
400424 Telemechanics Inc (USA)
Related Parts
5330-00-133-9930INTERCHANGEABLE
SEAL RING,METAL
400424
5365-01-020-5721INTERCHANGEABLE
SPACER,RING
5330-01-326-8024INTERCHANGEABLE
GASKET
400424
6510-01-493-9042INTERCHANGEABLE
SPONGE,SURGICAL
400424
4820-01-599-6320INTERCHANGEABLE
VALVE,CHECK
4004-24

Frequently Asked Questions

What is NSN 3020-01-029-0133?

NSN 3020-01-029-0133 is a Gear Cluster, manufactured by Alnitak Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-029-0133?

NSN 3020-01-029-0133 has 2 cross-referenced part numbers: 400424 (Alnitak Corporation), 400424 (Telemechanics Inc).

What NSN replaces 3020-01-029-0133?

There are 5 known substitutes for 3020-01-029-0133: 5330-00-133-9930, 5365-01-020-5721, 5330-01-326-8024 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400424?

Key specifications for 400424: Material: STEEL OVERALL; Nominal Overall Length: 0.240 INCHES IN; Hub Style Designator: PLAIN FIRST END; Nominal Outside Diameter: 1.0417 INCHES FIRST GEAR IN. 12 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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