5305-01-614-3431 SCREW,MACHINE 5305-01-614-3448 SCREW,ASSEMBLED WASHER

National Stock Number:
5305-01-614-3437

Federal Supply Class:
5305

National Item Identification Number:
016143437

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:
1367380818876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH2.25 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL C MINIMUM OVERALL
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONNAS1352 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLATCH STUD MODIFIED
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.3125 INCHES
SPECIAL FEATURESTHE SHANK IS APPROXIMATELY 0.85INCHES LONG AND HAS BEEN TURNED DOWN TO A DIAMETER OF 0.25;THIS ITEM IS MADE FROM NAS1352C5-36
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
SURFACE FINISH125.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.40 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNRC


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