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National Stock Number:
5305-01-513-4311
Federal Supply Class:
5305
National Item Identification Number:
015134311
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:
| 120-225V08-09 | 06725 | SPS TECHNOLOGIES, LLC | | 120-225V08-09 | 0K6Z0 | SATURN FASTENERS INC | | 120-225V08-09 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-225V08-09 | 1EM77 | B & B SPECIALTIES INC | | 120-225V08-09 | 27624 | SPS TECHNOLOGIES LLC | | 120-225V08-09 | 56878 | SPS TECHNOLOGIES, LLC | | 120-225V08-09 | 80539 | SPS TECHNOLOGIES, LLC | | 120-225V08-09 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | EXTENDED WASHER THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.626 INCHES MAXIMUM | | GRIP DIAMETER | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM | | GRIP LENGTH | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | HEAD STYLE | ROUND EXTENDED WASHER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | NOMINAL THREAD DIAMETER | 0.1640 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,AIRCRAFT | | SPECIAL FEATURES | FINISH - ALUMINUM EPOXY PER NAS4006; 160-180 KSI FTU PER AMS 4928 OR AMS 4967 | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.438 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJC | | THREAD QUANTITY PER INCH | 32 |
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