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National Stock Number:
5305-01-530-6535
Federal Supply Class:
5305
National Item Identification Number:
015306535
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:
| 3M927-3L12 | 007R1 | TWIST TITE MFG, INC | | 3M927-3L12 | 06710 | VALLEY-TODECO, INC. | | 3M927-3L12 | 06725 | SPS TECHNOLOGIES, LLC | | 3M927-3L12 | 0K6Z0 | SATURN FASTENERS INC | | 3M927-3L12 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M927-3L12 | 17446 | HUCK INTERNATIONAL, INC | | 3M927-3L12 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M927-3L12 | 27624 | SPS TECHNOLOGIES LLC | | 3M927-3L12 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | 3M927-3L12 | 56878 | SPS TECHNOLOGIES, LLC | | 3M927-3L12 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M927-3L12 | 59563 | REID PRODUCTS INC. | | 3M927-3L12 | 76301 | THE BOEING COMPANY | | 3M927-3L12 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | HT4069-3-12A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4069-3-12A | 56878 | SPS TECHNOLOGIES, LLC | | HT4069 ( ) - ( ) A | 56878 | SPS TECHNOLOGIES, LLC | | WC4069-( )-( ) | 60516 | WEST COAST AEROSPACE, INC. | | WC4069-3-12 | 60516 | WEST COAST AEROSPACE, INC. | | HT4069 ( )-( )A | 73197 | HI-SHEAR CORPORATION | | HT4069-3-12A | 73197 | HI-SHEAR CORPORATION | | HT4069-3-12A | 80539 | SPS TECHNOLOGIES, LLC | | HT4069-3-12A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.275 INCHES NOMINAL | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 1.189 INCHES MAXIMUM | | GRIP LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.406 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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