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National Stock Number:
5305-01-207-7550
Federal Supply Class:
5305
National Item Identification Number:
012077550
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:
| 10113541 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11885-3L3 | 59563 | REID PRODUCTS INC. | | 3M927-3L3 | 007R1 | TWIST TITE MFG, INC | | 3M927-3L3 | 06710 | VALLEY-TODECO, INC. | | 3M927-3L3 | 06725 | SPS TECHNOLOGIES, LLC | | 3M927-3L3 | 0K6Z0 | SATURN FASTENERS INC | | 3M927-3L3 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M927-3L3 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M927-3L3 | 27624 | SPS TECHNOLOGIES LLC | | 3M927-3L3 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | 3M927-3L3 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M927-3L3 | 59563 | REID PRODUCTS INC. | | 3M927-3L3 | 76301 | THE BOEING COMPANY | | HT4069-3-3A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4069-3-3A | 17419 | DEUTSCH CO THE | | HT4069-3-3A | 17446 | HUCK INTERNATIONAL, INC | | HT4069-3-3A | 56878 | SPS TECHNOLOGIES, LLC | | HT4069-3-3A | 73197 | HI-SHEAR CORPORATION | | HT4069-3-3A | 80539 | SPS TECHNOLOGIES, LLC | | HT4069-3-3A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4069-3-3A | 97928 | HUCK INTL INC | | HT4069-3-3A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4069-3-3 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM | | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD HEIGHT | 0.013 INCHES MAXIMUM | | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118,INCO 718 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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