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National Stock Number:
5305-01-450-6883
Federal Supply Class:
5305
National Item Identification Number:
014506883
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:
| 10163816 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11905-6L9 | 59563 | REID PRODUCTS INC. | | HLT4025L6-9 | 0TPK6 | FORSYTH TECHNICAL COMMUNITY COLLEGE | | HT4025L6-9 | 17446 | HUCK INTERNATIONAL, INC | | HT4025L6-9 | 73197 | HI-SHEAR CORPORATION | | HT4025L6-9 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L6-9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L6-9 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4025L6-9 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M454-6L9 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M454-6L9 | 76301 | THE BOEING COMPANY | | ST3M454-6L9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-6L9 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | WC4025L-6-9 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.203 INCHES NOMINAL | | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | GRIP LENGTH | 0.562 INCHES NOMINAL | | HEAD DIAMETER | 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 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 | 0.641 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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