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National Stock Number:
5305-01-135-6490
Federal Supply Class:
5305
National Item Identification Number:
011356490
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:
| 10115378 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 106830-4-14 | 80539 | SPS TECHNOLOGIES, LLC | | 11905-4L14 | 59563 | REID PRODUCTS INC. | | HT295-4-14 | 73197 | HI-SHEAR CORPORATION | | BM19037-4-14 | 97928 | HUCK INTL INC | | HT295-4-14 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT4025L-4-14 | 06725 | SPS TECHNOLOGIES, LLC | | HT4025L4-14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L-4-14 | 17446 | HUCK INTERNATIONAL, INC | | HT4025L4-14 | 73197 | HI-SHEAR CORPORATION | | HT4025L4-14 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L4-14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L4-14 | 97928 | HUCK INTL INC | | HT295-4-14 | R1120 | SATAIR A/S | | ST3M454-4L14 | 007R1 | TWIST TITE MFG, INC | | ST3M454-4L14 | 06710 | VALLEY-TODECO, INC. | | ST3M454-4L14 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M454-4L14 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M454-4L14 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M454-4L14 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M454-4L14 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M454-4L14 | 73197 | HI-SHEAR CORPORATION | | ST3M454-4L14 | 76301 | THE BOEING COMPANY | | ST3M454-4L14 | 80539 | SPS TECHNOLOGIES, LLC | | HT8140-4-14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L4-14 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT4025L4-14 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M454-4L14 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4025L4-14 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4025L4-14 | R1120 | SATAIR A/S | | WC4025L4-14 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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