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National Stock Number:
5305-01-496-1418
Federal Supply Class:
5305
National Item Identification Number:
014961418
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:
| 11853C5D16-5A | 59563 | REID PRODUCTS INC. | | 3M1262C5D16-5A | 76301 | THE BOEING COMPANY | | TX1024C5D16-5A | 06710 | VALLEY-TODECO, INC. | | TX1024C5D16-5A | 06725 | SPS TECHNOLOGIES, LLC | | TX1024C5D16-5A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1024C5D16-5A | 0K6Z0 | SATURN FASTENERS INC | | TX1024C5D16-5A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1024C5D16-5A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1024C5D16-5A | 17446 | HUCK INTERNATIONAL, INC | | TX1024C5D16-5A | 1EM77 | B & B SPECIALTIES INC | | TX1024C5D16-5A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | TX1024C5D16-5A | 27624 | SPS TECHNOLOGIES LLC | | TX1024C5D16-5A | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | TX1024C5D16-5A | 56878 | SPS TECHNOLOGIES, LLC | | TX1024C5D16-5A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC1262C5D16-5A | 60516 | WEST COAST AEROSPACE, INC. | | TX1024C5D16-5A | 73197 | HI-SHEAR CORPORATION | | TX1024C5D16-5A | 80539 | SPS TECHNOLOGIES, LLC | | TX1024C5D16-5A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1024C5D16-5A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1024C5D16-5A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.313 INCHES NOMINAL | | FASTENER LENGTH | 1.298 INCHES MINIMUM AND | | 1.328 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | BPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.438 INCHES MINIMUM AND | | 0.445 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | TORX | | SPLINE MINOR DIAMETER | 0.1570 INCHES MINIMUM AND | | 0.1600 INCHES MAXIMUM | | SPLINE MAJOR DIAMETER | 0.2195 INCHES MINIMUM AND | | 0.2225 INCHES MAXIMUM | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.076 INCHES MINIMUM AND | | 0.081 INCHES MAXIMUM | | GRIP LENGTH | 0.985 INCHES MINIMUM AND | | 1.015 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREE REDUCED HEAD,GEAR DRIVE RECESS SPECIAL THREAD LENGTH, INCONEL 718 (125 KSI SHEAR) |
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