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NSN 3020-01-277-1495, 3020012771495
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 012771495
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 3020-01-277-1495

National Stock Number (NSN) 3020-01-277-1495, or NIIN 012771495, (gear,spur) was assigned April 18, 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) 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 3020012771495 does not contain precious metals.

This information was last updated on .

Technical Characteristics

HARDNESS RATING
(CQFM) 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.729 INCHES
BORE NOMINAL DIAMETER
(CWRS) 1.227 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-8690 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BORE STYLE
(ANTP) INVOLUTE SPLINE BOTH ENDS
STYLE DESIGNATOR
(STYL) ONE PROTRUDING HUB, ONE FLUSH HUB
BODY STYLE
(AAQL) WEBBED, SOLID
III HARDNESS RATING
(CQFM) 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SPLINE QUANTITY
(ABSA) 28 BOTH ENDS
PITCH DIAMETER
(AGJS) 4.5833 INCHES NOMINAL
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM SPLINE
FACE NOMINAL WIDTH
(CWRM) 0.440 INCHES
MATERIAL
(MATT) STEEL COMP 8620 OVERALL
SPLINE PITCH DIAMETER
(BDTX) 1.1667 INCHES NOMINAL BOTH ENDS
III MATERIAL
(MATT) STEEL COMP 8620 OVERALL
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.155 INCHES FIRST END
HUB NOMINAL DIAMETER
(CWTX) 1.650 INCHES FIRST END
HUB NOMINAL DIAMETER
(CWTX) 1.810 INCHES SECOND END
SURFACE TREATMENT
(SFTT) OXIDE OVERALL
TEETH QUANTITY
(AJLA) 55
III HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM SPLINE
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES

Manufacturer Part Numbers

2907608

RNCC
3
RNVC
2
3020012771495

012771495

012771495


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