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National Stock Number:
5305-01-530-2440
Federal Supply Class:
5305
National Item Identification Number:
015302440
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:
| 120-259 | 97499 | BELL TEXTRON INC | | 120-259E08-2 | 97499 | BELL TEXTRON INC | | NAS5314E08-2 | 06725 | SPS TECHNOLOGIES, LLC | | NAS5314E08-2 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS5314E08-2 | 0K6Z0 | SATURN FASTENERS INC | | NAS5314E08-2 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | NAS5314E08-2 | 1EM77 | B & B SPECIALTIES INC | | NAS5314E08-2 | 27624 | SPS TECHNOLOGIES LLC | | NAS5314E08-2 | 56878 | SPS TECHNOLOGIES, LLC | | NAS5314E08-2 | 62206 | B & B SPECIALTIES INC | | NAS5314E08-2 | 62384 | LFC INDUSTRIES INC. | | NAS5314E08-2 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS5314E08-2 | 80539 | SPS TECHNOLOGIES, LLC | | NAS5314E08-2 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| FASTENER LENGTH | 0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM | | GRIP DIAMETER | 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM | | GRIP LENGTH | 0.125 INCHES NOMINAL | | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 2240 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR AMS-QQ-P-46, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OR CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.276 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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