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National Stock Number:
3020-01-073-3164
Federal Supply Class:
3020
National Item Identification Number:
010733164
Description:
GEAR SET,SPUR,MATCHED
Detail:
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.
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Manufacturer Information:
| 12283118 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DOCUMENT IDENTIFICATION | 12283118 | | DOCUMENT SOURCE | 19200 | | DOCUMENT TYPE | ENGINEERING DRAWING | | COMPONENT DOCUMENT ORIGIN | GOVERNMENT | | END ITEM SOURCE | 19207 | | END ITEM NAME | TANK,COMBAT,FULL TRACKED | | SECURITY CLASSIFICATION | UNCLASSIFIED | | SPECIAL FEATURES | 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. |
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