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National Stock Number:
5305-01-132-6510
Federal Supply Class:
5305
National Item Identification Number:
011326510
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:
| 10115332 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 106830-5-17 | 80539 | SPS TECHNOLOGIES, LLC | | BM19037-5-17 | 17446 | HUCK INTERNATIONAL, INC | | 11905-5L17 | 59563 | REID PRODUCTS INC. | | HT295-5-17 | 73197 | HI-SHEAR CORPORATION | | BM19037-5-17 | 97928 | HUCK INTL INC | | HT4025L5-17 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L5-17 | 17446 | HUCK INTERNATIONAL, INC | | HT4025L5-17 | 73197 | HI-SHEAR CORPORATION | | HT4025L5-17 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L5-17 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L5-17 | 97928 | HUCK INTL INC | | HT4025L5-17 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT295-5-17 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT8140-5-17 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-5L17 | 76301 | THE BOEING COMPANY | | ST3M454-5L17 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8140-5-17 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND | | 0.556 INCHES MAXIMUM | | FASTENER LENGTH | 1.578 INCHES MINIMUM AND | | 1.608 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.625 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 1.052 INCHES MINIMUM AND | | 1.072 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM |
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