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National Stock Number:
5305-01-393-5604
Federal Supply Class:
5305
National Item Identification Number:
013935604
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:
| 93926-3-11 | 56878 | SPS TECHNOLOGIES, LLC | | 93926-3-11 | 80539 | SPS TECHNOLOGIES, LLC | | AIC618-3-11 | 06725 | SPS TECHNOLOGIES, LLC | | C20645-3-11 | 0K6Z0 | SATURN FASTENERS INC | | GS1009-3-11 | 1EM77 | B & B SPECIALTIES INC | | C20645-3-11 | 81755 | LOCKHEED MARTIN CORPORATION | | VT10021-3-11 | 06710 | VALLEY-TODECO, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.006 INCHES MINIMUM AND 1.066 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.643 INCHES MINIMUM AND 0.703 INCHES MAXIMUM | | HEAD DIAMETER | 0.228 INCHES MINIMUM AND 0.288 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 100 DEGREE REDUCED FLUSH HEAD, OFFSET CRUCIFORM RECESS, 132 KSI SHEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SINGLE SHEAR STRENGTH | ERR-060 | | SPECIAL FEATURES | FINISH CADMIUM FLUOBORATE PLATE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.363 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 32 |
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