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National Stock Number:
5305-01-524-1529
Federal Supply Class:
5305
National Item Identification Number:
015241529
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:
| 120-225C08-06 | 06725 | SPS TECHNOLOGIES, LLC | | 120-225C08-06 | 0K6Z0 | SATURN FASTENERS INC | | 120-225C08-06 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-225C08-06 | 1EM77 | B & B SPECIALTIES INC | | 120-225C08-06 | 1ER65 | 3-V FASTENER CO., INC. | | 120-225C08-06 | 1GP79 | PILGRIM SCREW CORP | | 120-225C08-06 | 27624 | SPS TECHNOLOGIES LLC | | 120-225C08-06 | 47253 | PILGRIM SCREW CORPORATION | | 120-225C08-06 | 56878 | SPS TECHNOLOGIES, LLC | | 120-225C08-06 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 120-225C08-06 | 62206 | B & B SPECIALTIES INC | | 120-225C08-06 | 62384 | LFC INDUSTRIES INC. | | 120-225C08-06 | 80539 | SPS TECHNOLOGIES, LLC | | 120-225C08-06 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.025 INCHES NOMINAL | | FASTENER LENGTH | 0.618 INCHES NOMINAL | | GRIP DIAMETER | 0.163 INCHES NOMINAL | | GRIP LENGTH | 0.094 INCHES NOMINAL | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.087 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 | | MINIMUM TENSILE STRENGTH | 1425 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | 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 CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.398 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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