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NSN 3020-00-554-7921, 3020005547921
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 005547921
Codification Country
United States
Item Name Code
INC 05466
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.
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DLMS® Summary

National Stock Number 3020-00-554-7921

National Stock Number (NSN) 3020-00-554-7921, or NIIN 005547921, (gear,spur) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

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) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. 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 3020005547921 contains an unknown precious metal.

This information was last updated on .

Technical Characteristics

III HARDNESS RATING
(CQFM) 18.0 ROCKWELL C MINIMUM AND 22.0 ROCKWELL C MAXIMUM OVERALL
TOOTH FORM
(CWNH) STANDARD
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY STYLE
(AAQL) PLAIN, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.2910 INCHES FIRST END
BORE STYLE
(ANTP) PLAIN BOTH ENDS
III MATERIAL
(MATT) STEEL COMP 416 OVERALL
BACKLASH DESIGNATION
(BDZQ) GRADE C
HARDNESS RATING
(CQFM) 18.0 ROCKWELL C MINIMUM AND 22.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR
(STYL) PROTRUDING HUB
FACE NOMINAL WIDTH
(CWRM) 0.115 INCHES
MATERIAL
(MATT) STEEL COMP 416 OVERALL
ATTACHMENT METHOD
(ABSX) CLAMP
PITCH DIAMETER
(AGJS) 1.6250 INCHES NOMINAL
TEETH QUANTITY
(AJLA) 78
HUB STYLE DESIGNATOR
(CWTR) SPLIT FIRST END
CLAMPING SURFACE NOMINAL LENGTH
(CWWC) 0.2575 INCHES FIRST END
BORE NOMINAL DIAMETER
(CWRS) 0.2501 INCHES BOTH ENDS
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 12
NOMINAL OUTSIDE DIAMETER
(CWCD) 1.6661 INCHES
HUB NOMINAL DIAMETER
(CWTX) 0.3115 INCHES FIRST END

Manufacturer Part Numbers

3020005547921

005547921

005547921


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