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National Stock Number:
5305-01-517-0660
Federal Supply Class:
5305
National Item Identification Number:
015170660
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:
| 11827C5-12A | 59563 | REID PRODUCTS INC. | | 3M1169C5-12A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1169C5-12A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169C5-12A | 76301 | THE BOEING COMPANY | | GS1006C5-12A | 1EM77 | B & B SPECIALTIES INC | | GS1006C5-1A | 1EM77 | B & B SPECIALTIES INC | | TX1026C5-12A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026C5-12A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C5-12A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1026C5-12A | 27624 | SPS TECHNOLOGIES LLC | | TX1026C5-12A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026C5-12A | 73197 | HI-SHEAR CORPORATION | | TX1026C5-12A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026C5-12A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1026C5-12A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC1169C5-12A | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | AGAV | | FASTENER LENGTH | 1.219 INCHES NOMINAL | | GRIP LENGTH | 0.750 INCHES NOMINAL | | GRIP DIAMETER | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.597 INCHES MINIMUM AND 0.604 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CLOSE TOLERANCE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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