NSN (3020005259937) – NSN 3020-00-525-9937 Parts List

Item Name Gearcluster
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN) 00-525-9937 (005259937)
NCB Code USA (00)
Manufacturer General Dynamics Ots Global Inc, Astro Gear And Instrument Co Inc
Part Number Manufacturer Item Name Cage Code RFQ
117D2971 general dynamics ots global inc gearcluster 05606 RFQ
117D2971REVD4 astro gear and instrument co inc gearcluster 26420 RFQ
117D2971REVD4 general dynamics ots global inc gearcluster 05606 RFQ

Technical Characteristics of NSN 3020005259937

MRCCriteriaCharacteristic
ABSXATTACHMENT METHODMOUNTING HOLE
ANTPBORE STYLEW/STEPPED COUNTERBORE FIRST END
APGFDESIGN TYPESPUR FIRST GEAR
APGFDESIGN TYPESPUR SECOND GEAR
CQCFCONSTRUCTIONSOLID
CQFMHARDNESS RATING50.0 ROCKWELL C MINIMUM TEETH AND 60.0 ROCKWELL C MAXIMUM TEETH
CWCDNOMINAL OUTSIDE DIAMETER1.556 INCHES SECOND GEAR
CWCDNOMINAL OUTSIDE DIAMETER4.550 INCHES FIRST GEAR
CWFRNOMINAL OVERALL LENGTH4.120 INCHES
CWQNHUB NOMINAL LENGTH0.670 INCHES SECOND END
CWQNHUB NOMINAL LENGTH1.080 INCHES BETWEEN FIRST AND SECOND GEAR
CWRSBORE NOMINAL DIAMETER0.440 INCHES BOTH ENDS
CWTBCOUNTERBORE NOMINAL DEPTH1.240 INCHES FIRST END
CWTGCOUNTERBORE NOMINAL DIAMETER1.181 INCHES FIRST END
CWTRHUB STYLE DESIGNATOR1 STEP SECOND END
CWTRHUB STYLE DESIGNATOR3 STEPS BETWEEN FIRST AND SECOND GEAR
CWTXHUB NOMINAL DIAMETER0.751 INCHES SECOND END
CWTXHUB NOMINAL DIAMETER2.020 INCHES BETWEEN FIRST AND SECOND GEAR
CWWKPRECISION CLASSIFICATIONQUALITY NUMBER 10 ALL GEARS
MATTMATERIALSTEEL COMP 8620 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO.5.3.1 OR NO.5.3.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL

Relevant Components for NSN - 3020-00-525-9937, 3020005259937
3010-00-761-2420 (3010007612420) 3040-01-185-6252 (3040011856252) 3010-00-274-3704 (3010002743704) 3040-01-243-1430 (3040012431430)
3020-00-010-6251 (3020000106251) 3040-01-200-3484 (3040012003484) 3020-00-794-7471 (3020007947471) 3040-00-970-9325 (3040009709325)
3020-00-064-7048 (3020000647048) 3020-01-067-2046 (3020010672046) 3010-01-661-5046 (3010016615046) 3030-01-595-3826 (3030015953826)

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