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National Stock Number:
5305-01-524-1541
Federal Supply Class:
5305
National Item Identification Number:
015241541
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:
| 120-225C3-11 | 06725 | SPS TECHNOLOGIES, LLC | | 120-225C3-11 | 1ER65 | 3-V FASTENER CO., INC. | | 120-225C3-11 | 27624 | SPS TECHNOLOGIES LLC | | 120-225C3-11 | 56878 | SPS TECHNOLOGIES, LLC | | 120-225C3-11 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 120-225C3-11 | 62206 | B & B SPECIALTIES INC | | 120-225C3-11 | 80539 | SPS TECHNOLOGIES, LLC | | 120-225C3-11 | 97499 | BELL TEXTRON INC | | 120-225C3-11 | 0K6Z0 | SATURN FASTENERS INC | | 120-225C3-11 | 62384 | LFC INDUSTRIES INC. | | 120-225C3-11 | 47253 | PILGRIM SCREW CORPORATION | | 120-225C3-11 | 1GP79 | PILGRIM SCREW CORP | | 120-225C3-11 | 1EM77 | B & B SPECIALTIES INC | | 120-225C3-11 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | EXTENDED WASHER THICKNESS | 0.027 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | | FASTENER LENGTH | 0.813 INCHES NOMINAL | | GRIP DIAMETER | 0.189 INCHES NOMINAL | | GRIP LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.094 INCHES NOMINAL | | HEAD STYLE | ROUND EXTENDED WASHER | | INTERNAL DRIVE STYLE | CRUCIFORM RIBBED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS5732 ASSN STD 2ND MATERIAL RESPONSE OR AMS5737 ASSN STD 3RD MATERIAL RESPONSE OR AMS5853 ASSN STD 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THREAD, 95 KSI FSU | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 2000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.530 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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