5305-01-229-0251 SCREW,CAP,SOCKET HEAD Index 5305-01-229-0253 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-229-0252

Federal Supply Class:
5305

National Item Identification Number:
012290252

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:
38030-98C12D56878SPS TECHNOLOGIES, LLC
7117858-106481NORTHROP GRUMMAN SYSTEMS CORPORATION
7117858-117863LITTON SYSTEMS INC GUIDANCE AND CONTROL SYSTEMS DIV


Techincal Specification:
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICSMRCS
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.0937 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.658 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNRC


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