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NSN 3020-01-073-3164, 3020010733164
GEAR SET,SPUR,MATCHED

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 010733164
Codification Country
United States
Item Name Code
INC 21971
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 3020-01-073-3164

National Stock Number (NSN) 3020-01-073-3164, or NIIN 010733164, (gear set,spur,matched) was assigned March 14, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 21971. [A GROUPING OF TWO OR MORE OR ANY COMBINATION OF GEAR, SPUR; GEARSHAFT, SPUR AND/OR GEAR CLUSTER, SPUR WHICH HAVE BEEN MATCHED TOGETHER FOR A GIVEN CHARACTERISTIC WITHIN A SPECIFIED TOLERANCE. INCLUDES ONLY THOSE GEARS DESIGNED AND TESTED TO ACCOMPLISH A SPECIFICALLY DESIGNED FUNCTION.]. 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 3020010733164 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

DOCUMENT IDENTIFICATION
(AYDR) 12283118
DOCUMENT SOURCE
(AJJY) 19200
DOCUMENT TYPE
(AJJZ) ENGINEERING DRAWING
END ITEM IDENTIFICATION
(AGAV) 2350-01-061-2445
COMPONENT DOCUMENT ORIGIN
(AJJX) GOVERNMENT
END ITEM SOURCE
(AJKE) 19207
END ITEM NAME
(AYDS) TANK,COMBAT,FULL TRACKED
SECURITY CLASSIFICATION
(SECL) UNCLASSIFIED
SPECIAL FEATURES
(FEAT) STEEL ALLOY,9130,PER AMS 6260 OR AMS 6265; HEAT TREATMENT: SPUR GEARS 12283157 & 12283158 CARBURIZE & HARDEN ENTIRE GEAR TEETH & SURFACES INDICATEDPER AGMA 246.01,GRADE 5,MIL-H-6875 & MIL-S-6090; CASE REQ. AT GEAR TOOTH PITCH LINE: SURFACE HARDNESS ROCKWELL 30N75-81,DEPTH FROM SURFACE TO HARDNESS OF RC50 0.052/0.062,CORE HARDNESS RC32-44,TOP LANDS & END FACES NOT CASE HARDENED; SPUR GEAR 12283159 CARBURIZE & HARDEN ENTIRE GEAR TEETH PER AGMA 246.01,GRADE 5,MIL-H-6875 & MIL-S-6090,CASEREQ. AT GEAR TOOTH PITCH LINE: SURFACEHARDNESS ROCKWELL 30N 75-81,DEPTH FROMSURFACE TO HARDNESS OF RC50 0.024/0.034,CORE HARDNESS RC 32-44,TOP LANDS & END FACES NOT CASE HARDENED; EXTERNAL INVOLUTE SPUR GEAR(12283157)DATA: 14 TEETH; DIAMETRAL PITCH IS 3.5; PRESSURE ANGLE IS 25 DEG.; EXTERNAL SPUR GEAR(12283159)DATA: 65 TEETH; DIAMETRAL PITCH IS 10; PRESSURE ANGLE IS 20 DEG.; EXTERNAL INVOLUTE SPLINE DATA: 23 TEETH(BASIC-1 TOOTH REMOVED); DIAMETRAL PITCH IS 12/24; PRESSURE ANGLE IS 30 DEG.
SPECIAL FEATURES
(FEAT) OSTEEL ALLOY,9130,PER AMS 6260 OR AMS 6265; HEAT TREATMENT: SPUR GEARS 12283157 & 12283158 CARBURIZE & HARDEN ENTIRE GEAR TEETH & SURFACES INDICATEDPER AGMA 246.01,GRADE 5,MIL-H-6875 & MIL-S-6090; CASE REQ. AT GEAR TOOTH PITCH LINE: SURFACE HARDNESS ROCKWELL 30N75-81,DEPTH FROM SURFACE TO HARDNESS OF RC50 0.052/0.062,CORE HARDNESS RC32-44,TOP LANDS & END FACES NOT CASE HARDENED; SPUR GEAR 12283159 CARBURIZE & HARDEN ENTIRE GEAR TEETH PER AGMA 246.01,GRADE 5,MIL-H-6875 & MIL-S-6090,CASEREQ. AT GEAR TOOTH PITCH LINE: SURFACEHARDNESS ROCKWELL 30N 75-81,DEPTH FROMSURFACE TO HARDNESS OF RC50 0.024/0.034,CORE HARDNESS RC 32-44,TOP LANDS & END FACES NOT CASE HARDENED; EXTERNAL INVOLUTE SPUR GEAR(12283157)DATA: 14 TEETH; DIAMETRAL PITCH IS 3.5; PRESSURE ANGLE IS 25 DEG.; EXTERNAL SPUR GEAR(12283159)DATA: 65 TEETH; DIAMETRAL PITCH IS 10; PRESSURE ANGLE IS 20 DEG.; EXTERNAL INVOLUTE SPLINE DATA: 23 TEETH(BASIC-1 TOOTH REMOVED); DIAMETRAL PITCH IS 12/24; PRESSURE ANGLE IS 30 DEG.

Manufacturer Part Numbers

12283118

RNCC
3
RNVC
2
3020010733164

010733164

010733164


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