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


NSN 3020-00-850-6498, 3020008506498
GEAR,ANTIBACKLASH,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 008506498
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: Request Qualified Suppliers: Currently qualifying suppliers

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

Let Us Know
  CALL ABOUT NSN 3020-00-850-6498
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 3020-00-850-6498


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

DLMS® Summary

National Stock Number 3020-00-850-6498

National Stock Number (NSN) 3020-00-850-6498, or NIIN 008506498, (gear,antibacklash,spur) was assigned January 18, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 fairly common among different weapons systems, belonging to 23 different platforms.

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: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 3020008506498 contains an unknown precious metal.

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

ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BACKLASH DESIGNATION
(BDZQ) GRADE D
BORE NOMINAL DIAMETER
(CWRS) 0.125 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 0.125 INCHES
HUB NOMINAL DIAMETER
(CWTX) 0.375 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) PLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) STEEL COMP 303SE HUB
MOUNTING HOLE NOMINAL THREAD SIZE
(CQLT) 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH
(CMLM) 56 TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 1.392 INCHES
PITCH DIAMETER
(AGJS) 1.3750 INCHES NOMINAL
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 10
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
SURFACE TREATMENT
(SFTT) ANODIZE BODY
SURFACE TREATMENT
(SFTT) PASSIVATE HUB
TEETH QUANTITY
(AJLA) 165
TOOTH FORM
(CWNH) STANDARD
III MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
III MATERIAL
(MATT) STEEL COMP 303SE HUB

Manufacturer Part Numbers


Related Inventory



 
Top