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National Stock Number:
5305-01-601-2285
Federal Supply Class:
5305
National Item Identification Number:
016012285
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:
| PMT1623-8 | 05755 | PHILLIPS SCREW CO RULE INDUSTRIES DIV | | PMT1623-8 | 06710 | VALLEY-TODECO, INC. | | PMT1623-8 | 06725 | SPS TECHNOLOGIES, LLC | | PMT1623-8 | 17446 | HUCK INTERNATIONAL, INC | | PMT1623-8 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PMT1623-8 | 56878 | SPS TECHNOLOGIES, LLC | | PMT1623-8 | 80539 | SPS TECHNOLOGIES, LLC | | PMT1623-8 | 82224 | JOHN HASSALL, INC. | | PMT1623-8 | 98524 | MONOGRAM AEROSPACE FASTENERS, INC |
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Techincal Specification:
| SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.276 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.776 INCHES NOMINAL | | GRIP DIAMETER | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | GRIP LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.322 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL STD SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW MACHINE SHORT THREAD MORTORQ BOLT 100 DEG FLAT HD | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | INTERNAL DRIVE STYLE IS MORTORQ | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
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