5305-00-999-8177 SETSCREW Index 5305-00-999-8179 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-999-8178

Federal Supply Class:
5305

National Item Identification Number:
009998178

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
33AF1121-04-0335351GE AVIATION SYSTEMS LLC


Techincal Specification:
FASTENER LENGTH0.188 INCHES NOMINAL
HARDNESS RATING70.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER0.173 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT0.104 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.094 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.138 INCHES MINIMUM


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