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National Stock Number:
5305-01-500-6383
Federal Supply Class:
5305
National Item Identification Number:
015006383
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:
| 11923-4D14 | 59563 | REID PRODUCTS INC. | | HT4027-4D14 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-4D14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-4D14 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4027-4D14 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-4D14 | 27624 | SPS TECHNOLOGIES LLC | | ST3M557-4D14 | 06710 | VALLEY-TODECO, INC. | | ST3M557-4D14 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-4D14 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4027-4D14 | 56878 | SPS TECHNOLOGIES, LLC | | HT4027-4D14 | 73197 | HI-SHEAR CORPORATION | | HT4027-4D14 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-4D14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-4D14 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-4D14 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-4D14 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-4D14 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4027-4D14 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M557-4D14 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.223 INCHES MINIMUM AND 1.233 INCHES MAXIMUM FIRST HOLE | | CRITICALITY CODE JUSTIFICATION | AGAV | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | HEAD DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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