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National Stock Number:
5305-01-288-5724
Federal Supply Class:
5305
National Item Identification Number:
012885724
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:
| 121754-8-14 | 56878 | SPS TECHNOLOGIES, LLC | | 121754-8-14 | 80539 | SPS TECHNOLOGIES, LLC | | AIC9535-8-14 | 06725 | SPS TECHNOLOGIES, LLC | | C9535-8-14 | 06725 | SPS TECHNOLOGIES, LLC | | C9535-8-14 | 56878 | SPS TECHNOLOGIES, LLC | | 5305PL0784861 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | SC1776-8-14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VT1754-8-14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C9535-8-14 | 81755 | LOCKHEED MARTIN CORPORATION | | VT1696-8-14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.649 INCHES MINIMUM AND 1.689 INCHES MAXIMUM | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | HEAD HEIGHT | 0.222 INCHES NOMINAL | | HEAD DIAMETER | 0.700 INCHES MINIMUM AND 1.024 INCHES MAXIMUM | | HEAD STYLE | FLUSH | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.779 INCHES MINIMUM AND 0.809 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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