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NSN 3020-00-267-0338, 3020002670338
GEAR,ANTIBACKLASH,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 002670338
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: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3020-00-267-0338

National Stock Number (NSN) 3020-00-267-0338, or NIIN 002670338, (gear,antibacklash,spur) was assigned July 15, 1973 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number 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 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 3020002670338 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

FACE NOMINAL WIDTH
(CWRM) 0.188 INCHES
BORE NOMINAL DIAMETER
(CWRS) 0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATOR
(CWTR) THREADED SECOND END
HUB NOMINAL DIAMETER
(CWTX) 0.500 INCHES FIRST END
III MATERIAL
(MATT) STEEL COMP 303 OVERALL
PITCH DIAMETER
(AGJS) 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 303 OVERALL
TOOTH FORM
(CWNH) STANDARD
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.181 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER
(CWCD) 2.332 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BORE STYLE
(ANTP) PLAIN BOTH ENDS
TEETH QUANTITY
(AJLA) 54
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.240 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) PINNED FIRST END
SURFACE TREATMENT
(SFTT) PASSIVATE HUB
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 10

Manufacturer Part Numbers


Related Inventory

SHP-7254

Condition NE
Green Poly Stra
Readily Available


 
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