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National Stock Number:
5305-01-521-9479
Federal Supply Class:
5305
National Item Identification Number:
015219479
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:
| 3M1262C3-7-5A | 76301 | THE BOEING COMPANY | | TX1024C3-7-5A | 06725 | SPS TECHNOLOGIES, LLC | | TX1024C3-7-5A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1024C3-7-5A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1024C3-7-5A | 27624 | SPS TECHNOLOGIES LLC | | TX1024C3-7-5A | 56878 | SPS TECHNOLOGIES, LLC | | TX1024C3-7-5A | 73197 | HI-SHEAR CORPORATION | | TX1024C3-7-5A | 80539 | SPS TECHNOLOGIES, LLC | | TX1024C3-7-5A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1024C3-7-5A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES NOMINAL AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | GRIP LENGTH | 0.437 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.293 INCHES MINIMUM AND 0.301 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREE REDUCED HEAD,GEARDRIVE RECESS-SPECIAL THREAD LENGTH INCONCEL 718 (125 KSI SHEAR) | | MATERIAL DOCUMENT AND CLASSIFICATION | BPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPLINE MAJOR DIAMETER | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.313 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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