5305-00-543-5945 SCREW,CAP,SOCKET HEAD Index 5305-00-543-5948 SCREW,MACHINE

National Stock Number:
5305-00-543-5947

Federal Supply Class:
5305

National Item Identification Number:
005435947

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:
12Z1043-10294135NAVAL ORDNANCE STANDARDS
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATERIAL
FASTENER LENGTH2.250 INCHES NOMINAL
HEAD DIAMETER0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY R-405 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES MINIMUM
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial