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National Stock Number:
5305-01-159-0093
Federal Supply Class:
5305
National Item Identification Number:
011590093
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.
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Manufacturer Information:
| NA0123-050006 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 4H6H | | FASTENER LENGTH | 14.7 MILLIMETERS MINIMUM AND 15.3 MILLIMETERS MAXIMUM | | GRIP DIAMETER | 4.9650 MILLIMETERS MINIMUM AND 4.9900 MILLIMETERS MAXIMUM | | GRIP LENGTH | 6.00 MILLIMETERS NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 7.0 MILLIMETERS MINIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 13900 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS | | SINGLE SHEAR STRENGTH | 660 MEGAPASCALS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 9.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 0.8 | | THREAD SERIES DESIGNATOR | MJ |
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