5935-01-483-5983 CONNECTOR,RECEPTACLE,ELECTRICAL Index 5930-01-483-5985 SWITCH,INDICATOR AS

National Stock Number:
5305-01-483-5984

Federal Supply Class:
5305

National Item Identification Number:
014835984

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
NAS1134-1680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
FASTENER LENGTH1.316 INCHES NOMINAL
GRIP DIAMETER0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
GRIP LENGTH1.000 INCHES NOMINAL
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 AND CADMIUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.316 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


Click here to Register for Free 30-day Trial