5310-00-943-1987 NUT,PLAIN,ROUND Index 5310-00-943-1989 NUT,PLAIN,ROUND

National Stock Number:
5310-00-943-1988

Federal Supply Class:
5310

National Item Identification Number:
009431988

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:
65111-07004-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DRIVE POINT DEPTH0.125 INCHES NOMINAL
DRIVE POINT QUANTITY8
DRIVE POINT WIDTH0.250 INCHES NOMINAL
COUNTERBORE DIAMETER2.296 INCHES NOMINAL FIRST END
COUNTERSINK ANGLE90.0 DEGREES NOMINAL BOTH ENDS
MATERIALTITANIUM ALLOY 5 OVERALL
NOMINAL THREAD SIZE2.125 INCHES
NUT COUNTERBORE DEPTH0.070 INCHES NOMINAL FIRST END
NUT DIAMETER2.750 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.412 INCHES NOMINAL
SURFACE TREATMENTPAINT OVERALL EXCEPT THREADS
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUN
THREAD QUANTITY PER INCH16


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