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National Stock Number:
5305-01-508-2139
Federal Supply Class:
5305
National Item Identification Number:
015082139
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:
| 11905-7L15 | 59563 | REID PRODUCTS INC. | | HT4025L7-15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L7-15 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4025L7-15 | 73197 | HI-SHEAR CORPORATION | | HT4025L7-15 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L7-15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-7L15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4025L-7-15 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M454-7L15 | 76301 | THE BOEING COMPANY | | HT4025L7-15 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4025L7-15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM | | GRIP DIAMETER | 0.437 INCHES NOMINAL | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM | | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INAVY) SCREW,CLOSE TOLER | | MATERIAL DOCUMENT AND CLASSIFICATION | MS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.438 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 | 0.675 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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