5305-01-309-4786 SCREW,CLOSE TOLERANCE Index 5910-01-309-4788 CAPACITOR,FIXED,CERAMIC DIELECTR

National Stock Number:
5305-01-309-4787

Federal Supply Class:
5305

National Item Identification Number:
013094787

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:
NAS336CA2780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.937 INCHES MINIMUM AND 2.984 INCHES MAXIMUM
GRIP DIAMETER0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM
GRIP LENGTH2.302 INCHES MINIMUM AND 2.322 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5656 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8844 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6414 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA80205-NAS336 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF
WIDTH ACROSS FLATS0.2197 INCHES MINIMUM AND 0.2217 INCHES MAXIMUM


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us