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National Stock Number:
5305-01-452-2729
Federal Supply Class:
5305
National Item Identification Number:
014522729
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:
| 11883-5L17 | 59563 | REID PRODUCTS INC. | | 3M926-5L17 | 56878 | SPS TECHNOLOGIES, LLC | | 3M926-5L17 | 60516 | WEST COAST AEROSPACE, INC. | | 3M926-5L17 | 73197 | HI-SHEAR CORPORATION | | 3M926-5L17 | 76301 | THE BOEING COMPANY | | 3M926-5L17 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4068-5-17A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-17A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4068-5-17A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-5-17A | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-5-17A | 73197 | HI-SHEAR CORPORATION | | HT4068-5-17A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-17A | 97928 | HUCK INTL INC | | HT4068-5-17A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.506 INCHES MINIMUM AND 1.556 INCHES MAXIMUM | | GRIP DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | GRIP LENGTH | 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM | | HEAD DIAMETER | 0.469 INCHES MINIMUM AND 0.474 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | CETYL ALCOHOL LUBLICATED | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.531 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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