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National Stock Number: 5305-01-524-1549
Federal Supply Class: 5305
National Item Identification Number: 015241549
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:
120-225 | 97499 | BELL TEXTRON INC | 120-225C3-13 | 06725 | SPS TECHNOLOGIES, LLC | 120-225C3-13 | 0K6Z0 | SATURN FASTENERS INC | 120-225C3-13 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | 120-225C3-13 | 1EM77 | B & B SPECIALTIES INC | 120-225C3-13 | 1ER65 | 3-V FASTENER CO., INC. | 120-225C3-13 | 27624 | SPS TECHNOLOGIES LLC | 120-225C3-13 | 56878 | SPS TECHNOLOGIES, LLC | 120-225C3-13 | 62206 | B & B SPECIALTIES INC | 120-225C3-13 | 62384 | LFC INDUSTRIES INC. | 120-225C3-13 | 80539 | SPS TECHNOLOGIES, LLC | 120-225C3-13 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
CRITICALITY CODE JUSTIFICATION | AGAV | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | EXTENDED WASHER THICKNESS | 0.027 INCHES NOMINAL | FASTENER LENGTH | 0.938 INCHES NOMINAL | GRIP DIAMETER | 0.189 INCHES NOMINAL | GRIP LENGTH | 0.375 INCHES NOMINAL | HEAD DIAMETER | 0.375 INCHES NOMINAL | HEAD HEIGHT | 0.094 INCHES NOMINAL | HEAD STYLE | ROUND EXTENDED WASHER | NOMINAL THREAD DIAMETER | 0.190 INCHES | INTERNAL DRIVE STYLE | CRUCIFORM RIBBED | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS5732 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AMS5853 ASSN STD 4TH MATERIAL RESPONSE OVERALL | MATERIAL | IRON ALLOY 660 OVERALL | MINIMUM TENSILE STRENGTH | 2000 POUNDS PER SQUARE INCH | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THREAD, 95 KSI FSU | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 3A | THREAD LENGTH | 0.430 INCHES NOMINAL | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNJF |
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