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National Stock Number:
5305-01-424-1363
Federal Supply Class:
5305
National Item Identification Number:
014241363
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:
| 122966AD-3-15 | 80539 | SPS TECHNOLOGIES, LLC | | GB511DU3-15D | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PBF1355A3D-15 | 27624 | SPS TECHNOLOGIES LLC | | MATP111AD-3-15 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | HR217-3-15D | 73197 | HI-SHEAR CORPORATION | | HR217-3-15D | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | SC2174-3-15D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.363 INCHES NOMINAL | | FASTENER LENGTH | 1.286 INCHES MINIMUM AND | | 1.316 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8735 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR | | MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR | | MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.360 INCHES MINIMUM AND | | 0.374 INCHES MAXIMUM | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED | | GRIP LENGTH | 0.928 INCHES MINIMUM AND | | 0.948 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.185 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM FIRST HOLE |
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