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National Stock Number:
5305-01-076-6316
Federal Supply Class:
5305
National Item Identification Number:
010766316
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:
| 11925C3-8A | 59563 | REID PRODUCTS INC. | | 642AS0738 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 642AS0738-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 642AS0738-2 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | CHT4020-3-8A | 17419 | DEUTSCH CO THE | | CHT4020-3-8A | 80539 | SPS TECHNOLOGIES, LLC | | CHT4020-3-8A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-8A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-8A | 17446 | HUCK INTERNATIONAL, INC | | HT4020-3-8A | 56878 | SPS TECHNOLOGIES, LLC | | HT4020-3-8A | 73197 | HI-SHEAR CORPORATION | | HT4020-3-8A | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-3-8A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-8A | 97928 | HUCK INTL INC | | HT4020-3-8A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M652C3-8A | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM | | FEATURES PROVIDED | O RING | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM | | HEAD HEIGHT | 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 TY 1,CL 1,GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER | | MATERIAL | STEEL CORROSION RESISTING FASTENER | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | SURFACE TREATMENT | PASSIVATE FASTENER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.390 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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