5905-00-187-7858 RESISTOR,FIXED,WIRE WOUND Index 4820-00-187-7860 VALVE,REGULATING,TEMPERATURE

National Stock Number:
3020-00-187-7859

Federal Supply Class:
3020

National Item Identification Number:
001877859

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
65850-05150-10111371BMT AEROSPACE USA, INC.
65850-05150-10111867EQUITABLE ENGINEERING COMPANY INC.
65850-05150-10121540PRECISION GEAR INDUSTRIES LLC
65850-05150-10178286SIKORSKY AIRCRAFT CORPORATION
65850-05150-10182001PCX AEROSTRUCTURES, LLC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER2.500 INCHES AXIALLY THROUGH FLANGE
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.975 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.260 INCHES
FLANGE NOMINAL DIAMETER3.875 INCHES
FLANGE NOMINAL THICKNESS0.280 INCHES
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.215 INCHES BETWEEN BODY AND FLANGE
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.278 INCHES AXIALLY THROUGH FLANGE
MOUNTING HOLE TYPE AND QUANTITY4 PLAIN AXIALLY THROUGH FLANGE
NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE0.505 INCHES
NOMINAL OUTSIDE DIAMETER1.570 INCHES
PITCH DIAMETER1.4286 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORHUBLESS
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY20
TEST DATA DOCUMENT81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TOOTH FORMSTANDARD


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