Worm Gear

668A759P21

668A759P21
(NSN) National Stock Number
3020-00-033-9656
Federal Supply Classification
3020 Gears, Pulleys, Sprockets and Transmission Chain
Item Name Code
05467
Schedule B Code
8483409000
Summary

0.9970 inches minimum and 1.0000 inches maximum pitch diameter, plain both ends bore style, 0.873 inches nominal outside diameter, 1.688 inches nominal overall length, left-hand thread form direction, 4.0833 degrees helix angle

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
2 - - XX
Identification

A gear with teeth on its outer surface in the form of helical threads.

INC FIIG Concept Condition
05467 A27300 1 1
Specifications
Pitch Diameter
0.9970 inches minimum and 1.0000 inches maximum
Details A measurement indicating the diameter-pitch per specific measurement scale of the item.
Bore Style
plain both ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.
Nominal Outside Diameter
0.873 inches
Details The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.
Nominal Overall Length
1.688 inches
Details The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Thread Form Direction
left-hand
Details The direction of the thread form when viewed axially. a right-hand thread form winds in a clockwise direction while a left-hand thread form winds in a counterclockwise direction.
Helix Angle
4.0833 degrees
Details The measurement of the helix angle on the item.
Nominal Distance Between Body Face And Protruding Hub End
0.438 inches first end
Details The nominal distance between the body face and the protruding hub end.
Face Nominal Width
1.250 inches
Details A measurement taken at right angles to the length of the face,in distinction from thickness.
Bore Nominal Diameter
0.375 inches both ends
Details The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.
Hub Style Designator
plain first end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
64910 - W -
RVC WCC TCC SHC
- 593 Z 9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
GENERAL ELECTRIC COMPANY
CAGE: 24446
BOSTON , MA , 02210-1403
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 3020-00-033-9656
What is the NIIN of the NSN 3020-00-033-9656?
The National Item Identification Number (NIIN) of the NSN 3020-00-033-9656 is 00-033-9656
When the NSN 3020-00-033-9656 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 3020-00-033-9656 contain any precious metals?
Type/content is unknown
Does the NSN 3020-00-033-9656 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Who we are?

We are a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA