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National Stock Number:
5305-01-102-0312
Federal Supply Class:
5305
National Item Identification Number:
011020312
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:
| 11883-5-16/11883-5L16 | 59563 | REID PRODUCTS INC. | | 3M926-5-16 | 76301 | THE BOEING COMPANY | | 3M926-5L16 | 007R1 | TWIST TITE MFG, INC | | 3M926-5L16 | 06710 | VALLEY-TODECO, INC. | | 3M926-5L16 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M926-5L16 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | HT4068-5-16 | 56878 | SPS TECHNOLOGIES, LLC | | 3M926-5L16 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M926-5L16 | 59563 | REID PRODUCTS INC. | | 3M926-5L16 | 60516 | WEST COAST AEROSPACE, INC. | | HT4068-5-16 | 73197 | HI-SHEAR CORPORATION | | 3M926-5L16 | 76301 | THE BOEING COMPANY | | HT4068-5-16 | 80539 | SPS TECHNOLOGIES, LLC | | 3M926-5L16 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-5-16A | 06725 | SPS TECHNOLOGIES, LLC | | HT4068-5-16A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-16A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4068-5-16A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-5-16A | 27624 | SPS TECHNOLOGIES LLC | | HT4068-5-16A | 56878 | SPS TECHNOLOGIES, LLC | | WC4068-5-16 | 60516 | WEST COAST AEROSPACE, INC. | | HT4068-5-16A | 73197 | HI-SHEAR CORPORATION | | HT4068-5-16A | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-5-16A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-16 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-16 | 97928 | HUCK INTL INC | | HT4068-5-16A | 97928 | HUCK INTL INC | | HT4068-5-16A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-5-16A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS 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 | 1.516 INCHES MINIMUM AND | | 1.546 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND | | 0.477 INCHES MAXIMUM | | COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM |
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