3020-00-273-1753 CHAIN,ROLLER Index 4470-00-273-1765 PAWL

National Stock Number:
3010-00-273-1763

Federal Supply Class:
3010

National Item Identification Number:
002731763

Description:
COUPLING HALF,SHAFT

Detail:
A MECHANICAL ITEM USED TO CONNECT A SHAFT AND THE MATING MEMBER OF A FLEXIBLE OR RIGID COUPLING.


Manufacturer Information:
76537510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLE2 HOLE FLANGE, THROUGH BORE
BORE DIAMETER0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM
BORE LENGTH0.6720 INCHES MINIMUM AND 0.7020 INCHES MAXIMUM
BORE SHAPESTRAIGHT
FEATURES PROVIDEDKEYWAY
OVERALL LENGTH0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16788, CLASS C2 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SPECIAL FEATURES0.250 TO 0.260" DIA. X 77 TO 87 DEG. COUNTERSUNK ON SECURING HOLES; UNTHREADED BORE DIA.:0.323" MON., 0.328" MAX.; POSITIONING FACILITY BOLT CIRCLE DIA.:2.245" MIN., 2.255" MAX.; POSITIONING FACILITY QTY:2; HOLE THREAD SIZE DESIGNATOR:1/4-20 NC-2; POSITIONING HOLE STYLE:PLAIN; THREADED HOLE LOCATION:(1) HOLE LOCATED ON TOP OF KEYWAY,(1) HOLE 180 DEG. FROM KEYWAY 0.340 TO 0.348" FROM FACE END; THREADED HOLE QTY:2; SECURING METHOD:THREADED HOLE; BORE COUNTERBORE FEATURE:NOT INCLUDED; KEYING FACILITY QTY:1; O/A OUTSIDE DIMENSION:2.984" MIN., 3.016" MAX. NOMINAL; HUB OD:1.490" MIN., 1.510" MAX.; THREAD PROVISION:UNTHREADED; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:0.465" NOM.; KEYWAY WD:0.1880" MIN., 0.1890" MAX.; FLANGE THICKNESS:0.245" MIN., 0.250" MAX.


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