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National Stock Number:
5305-01-195-7945
Federal Supply Class:
5305
National Item Identification Number:
011957945
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:
| 110179-5-5AS | 56878 | SPS TECHNOLOGIES, LLC | | 110179-5-5AS | 80539 | SPS TECHNOLOGIES, LLC | | BM33024V5-5U | 17446 | HUCK INTERNATIONAL, INC | | HT271A5-5 | 73197 | HI-SHEAR CORPORATION | | BM33024V5-5U | 97928 | HUCK INTL INC | | HT271A5-5 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT8137-5-5AS | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M430V5-5AS | 76301 | THE BOEING COMPANY | | HT8137-5-5AS | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8137-5AS | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8137-5AS | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | HEAD HEIGHT | 0.0878 INCHES MINIMUM AND 0.0899 INCHES MAXIMUM | | HEAD DIAMETER | 0.6287 INCHES MINIMUM AND 0.6335 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | CETYL ALCOHOL LUBRICATION,FURNISHED WITH O RING | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.506 INCHES MINIMUM AND 0.573 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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