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National Stock Number:
5305-01-158-6248
Federal Supply Class:
5305
National Item Identification Number:
011586248
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:
| 10115479 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11907-9DL45 | 59563 | REID PRODUCTS INC. | | HT4024L9D45 | 17446 | HUCK INTERNATIONAL, INC | | HT4024L9D45 | 73197 | HI-SHEAR CORPORATION | | HT4024L9D45 | 80539 | SPS TECHNOLOGIES, LLC | | HT4024L9D45 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L9D45 | 97928 | HUCK INTL INC | | HT4024L9D45 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M455-9DL45 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M455-9DL45 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M455-9DL45 | 17446 | HUCK INTERNATIONAL, INC | | ST3M455-9DL45 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M455-9DL45 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M455-9DL45 | 73197 | HI-SHEAR CORPORATION | | ST3M455-9DL45 | 76301 | THE BOEING COMPANY | | ST3M455-9DL45 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M455-9DL45 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M455-9DL45 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.310 INCHES MINIMUM FIRST HOLE AND 1.340 INCHES MAXIMUM FIRST HOLE | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.453 INCHES MINIMUM AND 1.483 INCHES MAXIMUM | | GRIP DIAMETER | 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM | | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | HEAD HEIGHT | 0.119 INCHES NOMINAL | | HEAD DIAMETER | 0.766 INCHES MINIMUM AND 0.838 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 TYPE D FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.146 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.881 INCHES MINIMUM AND 0.931 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNJF |
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