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National Stock Number:
5305-01-496-1423
Federal Supply Class:
5305
National Item Identification Number:
014961423
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:
| 11825C4-9A | 59563 | REID PRODUCTS INC. | | 11845C4-9A | 59563 | REID PRODUCTS INC. | | 3M1170C4-9A | 007R1 | TWIST TITE MFG, INC | | 3M1170C4-9A | 06710 | VALLEY-TODECO, INC. | | 3M1170C4-9A | 0K6Z0 | SATURN FASTENERS INC | | 3M1170C4-9A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1027C4-9A | 06725 | SPS TECHNOLOGIES, LLC | | TX1027C4-9A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027C4-9A | 0PTK6 | SPS TECHNOLOGIES INC | | HP1170C4-9 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS1014C4-9A | 1EM77 | B & B SPECIALTIES INC | | 3M1170C4-9A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1170C4-9A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1170C4-9A | 76301 | THE BOEING COMPANY | | TX1027C4-9A | 17446 | HUCK INTERNATIONAL, INC | | TX1027C4-9A | 27624 | SPS TECHNOLOGIES LLC | | TX1027C4-9A | 56878 | SPS TECHNOLOGIES, LLC | | WC1170C4-9A | 60516 | WEST COAST AEROSPACE, INC. | | TX1027C4-9A | 73197 | HI-SHEAR CORPORATION | | TX1027C4-9A | 80539 | SPS TECHNOLOGIES, LLC | | TX1027C4-9A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027C4-9A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1027C4-9A | K8753 | LINREAD NORTHBRIDGE AIRCRAFT PRODUCT DIVISION | | TX1027C4-9A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | TX1027C4-9A | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.973 INCHES MINIMUM AND 1.003 INCHES MAXIMUM | | GRIP LENGTH | 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | HEAD DIAMETER | 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREES HEAD,GEAR DRIVE RECESS-PH13-8MO (125 KSI SHEAR),INCONEL 718 (125 KSI SHEAR),6AL-4V TITANIUM (95 KSI SHEAR) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPLINE MAJOR DIAMETER | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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