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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:
| THREAD SERIES DESIGNATOR | UNJC | | NOMINAL THREAD DIAMETER | 0.1640 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES NOMINAL | | FASTENER LENGTH | 0.579 INCHES MINIMUM AND | | 0.626 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | ROUND EXTENDED WASHER | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.082 INCHES MINIMUM AND | | 0.092 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.023 INCHES MINIMUM AND | | 0.028 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | GRIP LENGTH | 0.141 INCHES MINIMUM AND | | 0.171 INCHES MAXIMUM | | GRIP DIAMETER | 0.1625 INCHES MINIMUM AND | | 0.1635 INCHES MAXIMUM | | SPECIAL FEATURES | FINISH - ALUMINUM EPOXY PER NAS4006; 160-180 KSI FTU PER AMS 4928 OR AMS 4967 | | CRITICALITY CODE JUSTIFICATION | AGAV | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,AIRCRAFT |
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