2840-00-988-5341 PISTON,VENT VALVE Index 5310-00-988-5343 NUT,PLAIN,EXTENDED WASHER,HEXAGO

National Stock Number:
5305-00-988-5342

Federal Supply Class:
5305

National Item Identification Number:
009885342

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
56179573030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
FASTENER LENGTH0.424 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT STYLEFULL DOG
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.424 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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