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NSN 3020-01-174-1659, 3020011741659
GEAR CLUSTER

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 011741659
Codification Country
United States
Item Name Code
INC 36636
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 3020-01-174-1659

National Stock Number (NSN) 3020-01-174-1659, or NIIN 011741659, (gear cluster) was assigned March 15, 1984 in the Federal Logistics Information System (FLIS). NIIN 011741659 was cancelled on April 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 3040013524082. 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 36636. [A CYLINDRICAL ITEM HAVING A FULL 360 DEGREE (6.282 RADIANS) COMPLEMENT OF TEETH ON TWO OR MORE SURFACES. IT MAY BE A ONE-PIECE CASTING OR COMPOSED OF TWO OR MORE SEPARATE ITEMS FIRMLY HELD TOGETHER BY WELDING, RIVETS, PINS, OR THE LIKE, TO FORM A SINGLE UNIT. IT IS DESIGNED TO MOUNT ON A SHAFT. FOR ITEMS CONSISTING OF A SHAFT WITH AN INTEGRAL COMPLEMENT(S) OR GEAR TEETH, SEE GEARSHAFT (AS MODIFIED). EXCLUDES:GEAR SUBASSEMBLY, SPEED DECREASER.]. 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 3020011741659 does not contain precious metals.

This information was last updated on .


Technical Characteristics

SPECIAL FEATURES
(FEAT) 2ND COUNTER BORE 1.00 IN DIA; 6.25 IN LG; 3RD COUNTER BORE 1.44 IN DIA; 5.25 IN LG; 2ND END 1ST STEP THRD 1.125-16 UNJF-3A; 2ND END 2ND STEP SPLINED; 1.250 PD; 20 TEETH; 14 DEG 30 MIN PRESSURE ANGLE; 1.312 IN MAJOR DIA; 1.170 MINOR DIA; 1 GROVE ON 1ST END; 2 GROVES ON 2ND END
COUNTERBORE NOMINAL DEPTH
(CWTB) 7.400 INCHES FIRST END
HARDNESS RATING
(CQFM) 75.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 80.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL
COUNTERBORE NOMINAL DIAMETER
(CWTG) 0.7500 INCHES FIRST END
SURFACE TREATMENT
(SFTT) OXIDE AND CHROMATE OVERALL
BORE NOMINAL DIAMETER
(CWRS) 0.500 INCHES BOTH ENDS
HUB STYLE DESIGNATOR
(CWTR) 4A 1 STEP SECOND END
III END ITEM IDENTIFICATION
(AGAV) B-1B AIRCRAFT
DESIGN TYPE
(APGF) SPUR FIRST GEAR BEVEL SECOND GEAR
CONSTRUCTION
(CQCF) SOLID
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.645 INCHES FIRST GEAR 3.295 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH
(CWFR) 8.500 INCHES
BORE STYLE
(ANTP) 1 PLAIN BOTH ENDS
HUB NOMINAL LENGTH
(CWQN) 2.0100 INCHES FIRST END 4.3500 INCHES SECOND END 0.670 INCHES BETWEEN FIRST AND SECOND GEAR 0.5400 INCHES BETWEEN SECOND AND THIRD GEAR
MATERIAL
(MATT) STEEL OVERALL
MANUFACTURERS CODE
(SR-5) 07482
DESIGN CONTROL REFERENCE
(SR-5) 9961M31G02

Manufacturer Part Numbers


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