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NSN 3020-01-276-9271, 3020012769271
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 012769271
Codification Country
United States
Item Name Code
INC 05464
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 3020-01-276-9271

National Stock Number (NSN) 3020-01-276-9271, or NIIN 012769271, (gear,helical) was assigned April 14, 1988 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.

This NSN is assigned to Item Name Code (INC) 05464. [A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:]. 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 3020012769271 does not contain precious metals.

This information was last updated on .

Technical Characteristics

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.010 INCHES FIRST END
NOMINAL DISTANCE FROM END TO FIRST GROOVE
(CWYL) 0.730 INCHES FIRST END
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM SPLINE AND 38.0 ROCKWELL C MAXIMUM SPLINE
HUB NOMINAL DIAMETER
(CWTX) 1.949 INCHES FIRST END
MATERIAL
(MATT) STEEL COMP 8620 OVERALL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
III MATERIAL
(MATT) STEEL COMP 8620 OVERALL
SURFACE TREATMENT
(SFTT) OXIDE OVERALL
HARDNESS RATING
(CQFM) 58.0 ROCKWELL C MINIMUM TEETH AND 63.0 ROCKWELL C MAXIMUM TEETH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-8690 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER
(CWCD) 2.685 INCHES
BORE STYLE
(ANTP) PLAIN BOTH ENDS
BODY STYLE
(AAQL) PLAIN, SOLID
TOOTH DIRECTION
(CWNM) RIGHT
FACE NOMINAL WIDTH
(CWRM) 1.560 INCHES
FIRST GROOVE NOMINAL DIAMETER
(CWYD) 1.780 INCHES FIRST END
SPECIAL FEATURES
(FEAT) HUB SPLINED 46 TEETH,1.916 PD
TEETH QUANTITY
(AJLA) 24
HUB STYLE DESIGNATOR
(CWTR) 1 GROOVE FIRST END
PITCH DIAMETER
(AGJS) 2.4847 INCHES NOMINAL
TEETH TYPE
(CWMW) SINGLE HELIX
HELIX ANGLE
(CWPZ) 15.0000 DEGREES
BORE NOMINAL DIAMETER
(CWRS) 1.250 INCHES BOTH ENDS
FIRST GROOVE NOMINAL WIDTH
(CWXY) 0.280 INCHES FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR
(STYL) PROTRUDING HUB

Manufacturer Part Numbers

2907603

RNCC
3
RNVC
2
3020012769271

012769271

012769271


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