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National Stock Number:
5305-01-059-4881
Federal Supply Class:
5305
National Item Identification Number:
010594881
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:
| 121557-5-A16P | 56878 | SPS TECHNOLOGIES, LLC | | 121557-5-A16P | 80539 | SPS TECHNOLOGIES, LLC | | 5305PL0651155 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5305PL1698082 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5305PL1936242 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AIC984-5-16 | 06725 | SPS TECHNOLOGIES, LLC | | AIC984-5-16P | 06725 | SPS TECHNOLOGIES, LLC | | C7984-5-16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C7984-5-16 | 81755 | LOCKHEED MARTIN CORPORATION | | H044-5-16 | 17446 | HUCK INTERNATIONAL, INC | | PBF1165-5-16 | 27624 | SPS TECHNOLOGIES LLC | | VT1693F5-16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VT1693F5-16 | 17446 | HUCK INTERNATIONAL, INC | | VT1693F5-16 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.423 INCHES MINIMUM AND 1.453 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.573 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.413 INCHES MINIMUM AND 0.463 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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