PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6283Gear,helical

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 3020-00-507-0374 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-507-0374 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-507-0374. Primary manufacturer part number: A6283.
Features
  • Gear,helical — FSC 3020
  • Teeth Quantity: 7070
  • Keyway Nominal Width: 0.097 INCHES BOTH ENDS0.097 INCHES BOTH ENDS IN
  • Pressure Angle: 20.0000 DEGREES20.0000 DEGREES
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALLFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • First Step Nominal Diameter: 1.375 INCHES FIRST END1.375 INCHES FIRST END IN
  • Face Nominal Width: 0.403 INCHES0.403 INCHES IN
  • Material: STEEL COMP 4620 OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-507-0374, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-507-0374
Primary Part NumberA6283
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Teeth Quantity7070
Keyway Nominal Width0.097 INCHES BOTH ENDS0.097 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES20.0000 DEGREES
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALLFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
First Step Nominal Diameter1.375 INCHES FIRST END1.375 INCHES FIRST END IN
Face Nominal Width0.403 INCHES0.403 INCHES IN
MaterialSTEEL COMP 4620 OVERALL
Bore Nominal Diameter1.125 INCHES BOTH ENDS1.125 INCHES BOTH ENDS IN
Nominal Outside Diameter3.128 INCHES3.128 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom0.600 INCHES BOTH ENDS0.600 INCHES BOTH ENDS IN
Body StyleWEBBED, OFFSET, SOLIDWEBBED, OFFSET, SOLID
Tooth FormSTANDARDSTANDARD
Teeth TypeSINGLE HELIXSINGLE HELIX
Helix Angle45.0000 DEGREES45.0000 DEGREES
Hardness Rating50.0 ROCKWELL C NOMINAL OVERALL50.0 ROCKWELL C NOMINAL OVERALL
Hub Style Designator1 STEP FIRST END1 STEP FIRST END
Tooth DirectionLEFTLEFT
Pitch Diameter3.0970 INCHES NOMINAL3.0970 INCHES NOMINAL IN
Style DesignatorONE PROTRUDING HUB, ONE FLUSH HUBONE PROTRUDING HUB, ONE FLUSH HUB
Bore StyleW/ KEYWAY BOTH ENDSW/ KEYWAY BOTH ENDS
End Nominal Diameter1.250 INCHES FIRST END1.250 INCHES FIRST END IN
First Step Nominal Length0.062 INCHES FIRST END0.062 INCHES FIRST END IN
End Nominal Length0.093 INCHES FIRST END0.093 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.156 INCHES FIRST END0.156 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-105-5530GA800CB2 INTERCHANGEABLE
Adapter,connector
Northrop Grumman Systems Corporation
5330-00-393-5991 INTERCHANGEABLE
Seal,plain
4510-00-595-4189 INTERCHANGEABLE
Tailpiece,waste Drain
4710-00-619-9877A628-3 INTERCHANGEABLE
Tubing,nonmetallic
Clark-Reliance Llc Dba Jacoby-Tarbox
5960-00-752-5798 INTERCHANGEABLE
Electron Tube
5930-00-825-41246283 INTERCHANGEABLE
Switch,toggle
Birnbach Co Inc
5970-01-005-4669A6283 INTERCHANGEABLE
Insulator
Grimes Aerospace Company
5330-01-121-84376283 INTERCHANGEABLE
Felt,mechanical,preformed
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5306-01-288-1014GB-036-083 INTERCHANGEABLE
Bolt,machine
Cooper Machinery Services Llc
6150-01-338-83436283 INTERCHANGEABLE
Cable Assembly,power,electrical
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
A6283 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
6283 Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
5935-00-105-5530INTERCHANGEABLE
ADAPTER,CONNECTOR
GA800CB2
5330-00-393-5991INTERCHANGEABLE
SEAL,PLAIN
4510-00-595-4189INTERCHANGEABLE
TAILPIECE,WASTE DRAIN
4710-00-619-9877INTERCHANGEABLE
TUBING,NONMETALLIC
A628-3
5960-00-752-5798INTERCHANGEABLE
ELECTRON TUBE
5930-00-825-4124INTERCHANGEABLE
SWITCH,TOGGLE
6283
5970-01-005-4669INTERCHANGEABLE
INSULATOR
A6283
5330-01-121-8437INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
6283
5306-01-288-1014INTERCHANGEABLE
BOLT,MACHINE
GB-036-083
6150-01-338-8343INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
6283
5365-01-621-0162INTERCHANGEABLE
RING,CONNECTING,ROUND
6783
6675-01-714-9686INTERCHANGEABLE
INTERPRETATION KIT,PHOTOGRAPHIC
A-6283

Frequently Asked Questions

What is NSN 3020-00-507-0374?

NSN 3020-00-507-0374 is a Gear,helical, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-507-0374?

NSN 3020-00-507-0374 has 2 cross-referenced part numbers: A6283 (Aerocontrolex Group, Inc. Div Talley Actuators), 6283 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 3020-00-507-0374?

There are 12 known substitutes for 3020-00-507-0374: 5935-00-105-5530, 5330-00-393-5991, 4510-00-595-4189 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6283?

Key specifications for A6283: Teeth Quantity: 7070; Keyway Nominal Width: 0.097 INCHES BOTH ENDS0.097 INCHES BOTH ENDS IN; Pressure Angle: 20.0000 DEGREES20.0000 DEGREES; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALLFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 24 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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