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NSN 3020-00-125-9370, 3020001259370
GEAR CLUSTER

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 001259370
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 3020-00-125-9370

National Stock Number (NSN) 3020-00-125-9370, or NIIN 001259370, (gear cluster) was assigned January 30, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 a year. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L120P1761, SPE7L120P1761, SPE7L119P4729, SPE7L119P4729, SPE7L417P1008. The total value of the awarded contracts has been US$ 114,024.66.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

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 3020001259370 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on .


Technical Characteristics

SPECIAL FEATURES
(FEAT) B1ST GEAR DATA: NO. OF TEETH 20; PITCH DIA. 3.7689; PRESSURE ANGLE 20.0000; 2ND GEAR DATA: NO. OF TEETH 24; PITCH DIA. 4.1921; PRESSURE ANGLE 20.0000; INTERNAL SPLINE DATA: PRESSURE ANGLE 30.0000
BORE NOMINAL DIAMETER
(CWRS) 0.787 INCHES BOTH ENDS
BORE STYLE
(ANTP) INVOLUTE SPLINE BOTH ENDS
CONSTRUCTION
(CQCF) SOLID
DESIGN TYPE
(APGF) SPUR ALL GEARS
HARDNESS RATING
(CQFM) 33.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER
(CWTX) 3.080 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH
(CWQN) 0.155 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR
(CWTR) PLAIN BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS6395 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4140 OVERALL
NOMINAL OVERALL LENGTH
(CWFR) 0.938 INCHES
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.082 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.528 INCHES SECOND GEAR
SPECIAL FEATURES
(FEAT) 1ST GEAR DATA: NO. OF TEETH 20; PITCH DIA. 3.7689; PRESSURE ANGLE 20.0000; 2ND GEAR DATA: NO. OF TEETH 24; PITCH DIA. 4.1921; PRESSURE ANGLE 20.0000; INTERNAL SPLINE DATA: PRESSURE ANGLE 30.0000
SPLINE PITCH DIAMETER
(BDTX) 0.7188 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY
(ABSA) 23 BOTH ENDS
SURFACE TREATMENT
(SFTT) PHOSPHATE OVERALL
III MATERIAL
(MATT) STEEL COMP 4140 OVERALL

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