1560-00-789-8788 LOCK,SPINDLE ASSEMBLY,ROTARY WIN Index 1560-00-789-8790 LINER,BEARING,HINGE MOUNTING

National Stock Number:
5310-00-789-8789

Federal Supply Class:
5310

National Item Identification Number:
007898789

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
S6110-23331-00178286SIKORSKY AIRCRAFT CORPORATION
S6110-23331-178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DRIVE POINT DEPTH0.312 INCHES NOMINAL
DRIVE POINT QUANTITY16
DRIVE POINT WIDTH0.500 INCHES NOMINAL
COUNTERSINK ANGLE15.0 DEGREES NOMINAL NUT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE4.500 INCHES
NUT DIAMETER5.000 INCHES NOMINAL
NUT THICKNESS1.437 INCHES NOMINAL
SURFACE TREATMENTPHOSPHATE OR CADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN


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