6680-01-495-5164 TRANSMITTER,LIQUID QUANTITY Index 5365-01-495-5166 SPACER,SLEEVE

National Stock Number:
5305-01-495-5165

Federal Supply Class:
5305

National Item Identification Number:
014955165

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:
NAS1996-12DT80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.578 INCHES NOMINAL
FASTENER LENGTH1.328 INCHES NOMINAL
MATERIALSTEEL COMP 4140 OR
STEEL COMP 4340 OR
STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5625 MIL SPEC SINGLE MATERIAL RESPONSE OR
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR
MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.513 INCHES MINIMUM AND
0.566 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.740 INCHES MINIMUM AND
0.760 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND
0.3745 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.131 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND
0.116 INCHES MAXIMUM FIRST HOLE


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