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National Stock Number:
5305-01-612-6086
Federal Supply Class:
5305
National Item Identification Number:
016126086
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:
| 120-225C08R06 | 06725 | SPS TECHNOLOGIES, LLC | | 120-225C08R06 | 0K6Z0 | SATURN FASTENERS INC | | 120-225C08R06 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-225C08R06 | 1EM77 | B & B SPECIALTIES INC | | 120-225C08R06 | 1ER65 | 3-V FASTENER CO., INC. | | 120-225C08R06 | 1GP79 | PILGRIM SCREW CORP | | 120-225C08R06 | 27624 | SPS TECHNOLOGIES LLC | | 120-225C08R06 | 47253 | PILGRIM SCREW CORPORATION | | 120-225C08R06 | 56878 | SPS TECHNOLOGIES, LLC | | 120-225C08R06 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 120-225C08R06 | 62206 | B & B SPECIALTIES INC | | 120-225C08R06 | 62384 | LFC INDUSTRIES INC. | | 120-225C08R06 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.398 INCHES NOMINAL | | FASTENER LENGTH | 0.406 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | A286 IAW AMS5731,AMS5732,AMS5737 OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 2170 POUNDS PER SQUARE INCH | | SINGLE SHEAR STRENGTH | 95000 POUNDS PER SQUARE INCH | | 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 | CRUCIFORM RIBBED | | GRIP LENGTH | 0.032 INCHES NOMINAL | | GRIP DIAMETER | 0.1625 INCHES MINIMUM AND | | 0.1635 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,WASHER HEAD,CLOSE TOLERANCE,LONG THREAD,95KSI FSU |
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