INSTANT RFQ

National Stock Number (NSN) 3020-01-255-6253 (3020012556253) Parts List

Item Name Gear Spur
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN) 01-255-6253 (012556253)
NCB Code USA (01)
Manufacturer Charleston Naval Shipyard Naval Base
Part Number Manufacturer Item Name Cage Code RFQ
903-5912051 charleston naval shipyard naval base gear spur 80090 RFQ
903-5912051 PC14 charleston naval shipyard naval base gear spur 80090 RFQ

Technical Characteristics of NSN 3020012556253

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3B SECOND END
AAJFTHREAD DIRECTIONRIGHT-HAND SECOND END
AAQLBODY STYLEPLAIN,SOLID
AGJSPITCH DIAMETER1.0000 INCHES NOMINAL
AJLATEETH QUANTITY12
ANTPBORE STYLEPLAIN FIRST END
ANTPBORE STYLETHREAD SERIES DESIGNATOR PARTIALLY THREADED SECOND END
CQFMHARDNESS RATING50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
CQJXNOMINAL THREAD SIZE0.500 INCHES SECOND END
CRTLCRITICALITY CODE JUSTIFICATIONZZZY
CWCDNOMINAL OUTSIDE DIAMETER1.166 INCHES
CWNHTOOTH FORMSTANDARD
CWPPPRESSURE ANGLE20.0000 DEGREES
CWQLNOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
CWRMFACE NOMINAL WIDTH0.812 INCHES
CWRSBORE NOMINAL DIAMETER0.516 INCHES FIRST END
CWTKNOMINAL THREAD LENGTH0.718 INCHES SECOND END
CWTRHUB STYLE DESIGNATORPLAIN FIRST END
CWTXHUB NOMINAL DIAMETER0.812 INCHES FIRST END
MATTMATERIALSTEEL OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-870,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLSTYLE DESIGNATORPROTRUDING HUB
THSDTHREAD SERIES DESIGNATORUNF SECOND END
ZZZYREFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

Relevant Components for NSN - 3020-01-255-6253, 3020012556253
3020-00-649-6951 (3020006496951) 3030-00-872-5477 (3030008725477) 3020-01-383-5236 (3020013835236) 3040-00-571-5905 (3040005715905)
3040-01-471-3613 (3040014713613) 3040-00-411-8629 (3040004118629) 3020-00-995-7954 (3020009957954) 3040-01-260-6892 (3040012606892)
3040-01-338-4600 (3040013384600) 3040-01-173-4261 (3040011734261) 3010-01-079-0635 (3010010790635) 3040-00-614-3038 (3040006143038)

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