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National Stock Number:
5305-01-190-4595
Federal Supply Class:
5305
National Item Identification Number:
011904595
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:
| 122967V08-4 | 80539 | SPS TECHNOLOGIES, LLC | | 66584-08-4 | 50392 | SPS TECHNOLOGIES INC | | GB10F08-4 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 66584-08-4 | 56878 | SPS TECHNOLOGIES, LLC | | 66584-08-4 | 80539 | SPS TECHNOLOGIES, LLC | | BM19024-08-4 | 97928 | HUCK INTL INC | | GB510CH08V4 | 1FY45 | AERO MECHANICAL FASTENING SYSTEMS INC | | GB510CH08V4 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PBF1356V08-4 | 27624 | SPS TECHNOLOGIES LLC | | MATF111V08-4 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | HT260LB08-4 | 73197 | HI-SHEAR CORPORATION | | HR216V08-4 | 73197 | HI-SHEAR CORPORATION | | HT8100-08-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HR216V08-4 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | SC1777V08-4 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T150-08-4 | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.574 INCHES MINIMUM AND 0.604 INCHES MAXIMUM | | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | GRIP DIAMETER | 0.1610 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM | | HEAD DIAMETER | 0.294 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | INTERNAL DRIVE RIBBED | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD LENGTH | 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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