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National Stock Number:
5305-01-593-5673
Federal Supply Class:
5305
National Item Identification Number:
015935673
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:
| 11873-6-16-8 | 59563 | REID PRODUCTS INC. | | 3M707-6-16-8 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4041-6-16-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4041-6-16-8 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4041-6-16-8 | 17446 | HUCK INTERNATIONAL, INC | | 3M707-6-16-8 | 76301 | THE BOEING COMPANY | | HT4041-6-16-8 | 56878 | SPS TECHNOLOGIES, LLC | | HT4041-6-16-8 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4041-6-16-8 | 60516 | WEST COAST AEROSPACE, INC. | | HT4041-616-8 | 73197 | HI-SHEAR CORPORATION | | HT4041-6-16-8 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4041-616-8 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 1.350 INCHES MINIMUM AND | | 1.650 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FILLISTER COUNTERSUNK | | HEAD DIAMETER | 0.564 INCHES NOMINAL | | HEAD HEIGHT | 0.081 INCHES NOMINAL | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | RECESSED TYPE I | | GRIP LENGTH | 1.000 INCHES NOMINAL | | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND | | 0.3745 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE-100 DEGREES C'SUNK,HI-TORQUE,REDUCED HEAD,SPECIAL THREAD LENGTH,CRES (125 KSI FSU) |
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