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National Stock Number:
5305-01-431-9978
Federal Supply Class:
5305
National Item Identification Number:
014319978
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:
| 122966VH-3-22 | 80539 | SPS TECHNOLOGIES, LLC | | GB511DU3V22H | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | GB511DU3V22H | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB511DU3V22H | 27624 | SPS TECHNOLOGIES LLC | | GB511DU3V22H | 73197 | HI-SHEAR CORPORATION | | GB511DU3V22H | 80539 | SPS TECHNOLOGIES, LLC | | SC2174V3-22H | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PBF1355V3-22H | 27624 | SPS TECHNOLOGIES LLC | | MATP111VH3-22 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | HR217V3-22H | 73197 | HI-SHEAR CORPORATION | | GB511DU3V22H | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.723 INCHES MINIMUM AND 1.753 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM | | HEAD DIAMETER | 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.363 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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