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National Stock Number:
5305-01-194-0640
Federal Supply Class:
5305
National Item Identification Number:
011940640
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:
| 122966V08-8 | 80539 | SPS TECHNOLOGIES, LLC | | GB511DU08V8 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | MATP111V08-8 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | HR217V-08-8 | 73197 | HI-SHEAR CORPORATION | | HT8099-08D8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HR217V-08-8 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | SC2174V08-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PBF1355V08-8 | 27624 | SPS TECHNOLOGIES LLC | | PBF1355V08-8D | 27624 | SPS TECHNOLOGIES LLC | | MATP111VD08-8 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.838 INCHES MINIMUM AND 0.853 INCHES MAXIMUM | | GRIP DIAMETER | 0.1610 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM | | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HEAD DIAMETER | 0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 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 DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.328 INCHES MINIMUM AND 0.363 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJC | | THREAD QUANTITY PER INCH | 32 |
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