1560-00-397-1375 PLUG,MAIN ROTOR STOP Index 1615-00-397-1379 PIVOT,MAIN ROTOR HINGE

National Stock Number:
3120-00-397-1377

Federal Supply Class:
3120

National Item Identification Number:
003971377

Description:
BUSHING,SLEEVE

Detail:
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see BUSHING, NONMETALLIC. See also BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; and BUSHING, ELECTRICAL CONDUCTOR. Excludes BUSHING, DRILL, JIG.


Manufacturer Information:
S10-10-344478286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-685,COND C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND
33.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
OVERALL LENGTH2.9060 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.3758 INCHES NOMINAL
BODY INSIDE DIAMETER3.1400 INCHES NOMINAL
FLANGE OUTSIDE DIAMETER4.6250 INCHES NOMINAL
FLANGE WIDTH0.2500 INCHES NOMINAL
RIGHT INTERNAL FLANGE HOLE DIAMETER2.8670 INCHES NOMINAL
RIGHT INTERNAL FLANGE WIDTH1.0930 INCHES NOMINAL
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
ROUND OUTSIDE RIGHT CORNER
CHAMFERED INSIDE RIGHT CORNER
CHAMFERED INSIDE LEFT CORNER
SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
ROUND LEFT FLANGE BODY CORNER
KEYWAY DIMENSION0.1560 INCHES NOMINAL INTERNAL KEYWAY WIDTH
0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH
0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
SPECIAL FEATURESTHREE 0.218 IN. DIA HOLES EQUALLY SPACED AND SIX 0.190-32 UNF-3B HOLES EQUALLY SPACED ON 4.000 IN. DIA BOLT CIRCLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCES10-10-3444


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