4820-00-010-2375 SEAT,VALVE Index 4820-00-010-2378 SEAT,VALVE

National Stock Number:
5305-00-010-2376

Federal Supply Class:
5305

National Item Identification Number:
000102376

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:
10237624617GENERAL MOTORS CORP
1023767X677GENERAL MOTORS LLC
FFS103TYPE2STYLE381348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
H101-010237600000ORDNANCE CORPS


Techincal Specification:
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 3 STYLE
POINT STYLEOVAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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