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National Stock Number:
5305-01-530-2414
Federal Supply Class:
5305
National Item Identification Number:
015302414
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:
| 120-269E3P8J | 97499 | BELL TEXTRON INC | | NAS5316E3P8J | 06725 | SPS TECHNOLOGIES, LLC | | NAS5316E3P8J | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS5316E3P8J | 0K6Z0 | SATURN FASTENERS INC | | NAS5316E3P8J | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | NAS5316E3P8J | 1EM77 | B & B SPECIALTIES INC | | NAS5316E3P8J | 1GP79 | PILGRIM SCREW CORP | | NAS5316E3P8J | 27624 | SPS TECHNOLOGIES LLC | | NAS5316E3P8J | 47253 | PILGRIM SCREW CORPORATION | | NAS5316E3P8J | 56878 | SPS TECHNOLOGIES, LLC | | NAS5316E3P8J | 62206 | B & B SPECIALTIES INC | | NAS5316E3P8J | 62384 | LFC INDUSTRIES INC. | | NAS5316E3P8J | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS5316E3P8J | 80539 | SPS TECHNOLOGIES, LLC | | NAS5316E3P8J | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.838 INCHES NOMINAL | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | GRIP LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | LOCKING FEATURE | PATCH LOCKING FEATURE | | MATERIAL DOCUMENT AND CLASSIFICATION | A286 CONFORMING TO THE CHEMISTRY OF AMS5731, AMS5732, AMS5737, OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 3180 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CLOSE TOLERANCE. | | POINT DIAMETER | 0.189 INCHES MINIMUM | | POINT STYLE | FLAT | | SPECIAL FEATURES | END SHALL BE FLAT AND CHAMFERED PLUS INCOMPLETE THREAD NOT TO EXCEED TWO PITCHES. | | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 OR CADIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 3. ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.338 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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