ISO Group Logo
Defense and Aerospace
Supply Chain Partner
A Dynatech International Company


NSN 3020-00-482-8521, 3020004828521
GEAR,ANTIBACKLASH,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 004828521
Codification Country
United States
Item Name Code
INC 26668
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: We have 1 qualified suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know
  CALL ABOUT NSN 3020-00-482-8521
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 3020-00-482-8521


Have a list that needs to be quoted? Upload it here.

DLMS® Summary

National Stock Number 3020-00-482-8521

National Stock Number (NSN) 3020-00-482-8521, or NIIN 004828521, (gear,antibacklash,spur) was assigned March 17, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 26668. [AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF SPUR GEAR TEETH, MOUNTED ON A COMMON HUB. THE FREE GEAR IS ATTACHED TO THE FIXED GEAR BY SPRINGS AND OPERATES AS ONE GEAR. UPON INSTALLATION WITH THE MATING GEAR, THE TEETH OF THE FREE MOVING GEAR ARE PRESET TO MESH WITH TEETH OTHER THAN THOSE OF THE FIXED GEAR. THIS SPRING TENSION BETWEEN THE FIXED GEAR AND THE FREE GEAR ELIMINATES ANY FREE MOTION BETWEEN THE DRIVER AND THE DRIVEN GEAR. THE GEAR IS USED WHERE IDENTICAL AND ACCURATE TRANSMITTED MOTION BETWEEN GEARS IS REQUIRED.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020004828521 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATT) ALUMINUM ALLOY 2024 TEETH
III MATERIAL
(MATT) STEEL COMP 303 HUB
ATTACHMENT METHOD
(ABSX) CLAMP
BORE NOMINAL DIAMETER
(CWRS) 0.241 INCHES BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH
(CWWC) 0.250 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 0.125 INCHES
HUB NOMINAL DIAMETER
(CWTX) 0.313 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL
(MATT) ALUMINUM ALLOY 2024 TEETH
MATERIAL
(MATT) STEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.313 INCHES FIRST END
NOMINAL OVERALL LENGTH
(CWFR) 0.437 INCHES
PITCH DIAMETER
(AGJS) 2.2073 INCHES MINIMUM AND 2.2083 INCHES MAXIMUM
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
TEETH QUANTITY
(AJLA) 106

Manufacturer Part Numbers


Related Inventory

409716-17
3020004828521
Condition NS
GEAR
Readily Available


 
Top