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National Stock Number:
5305-01-493-2707
Federal Supply Class:
5305
National Item Identification Number:
014932707
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:
| NA0036-080098 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 109.5 MILLIMETERS NOMINAL | | GRIP DIAMETER | 7.962 MILLIMETERS MINIMUM AND 7.987 MILLIMETERS MAXIMUM | | GRIP LENGTH | 98.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 4.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 9.975 MILLIMETERS | | POINT STYLE | FLAT | | POINT DIAMETER | 6.2 MILLIMETERS MINIMUM AND 6.7 MILLIMETERS MAXIMUM | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 11.5 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 1.5 | | THREAD SERIES DESIGNATOR | MJ |
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