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National Stock Number:
5305-01-385-5718
Federal Supply Class:
5305
National Item Identification Number:
013855718
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:
| GB511DU3C18D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | GB511DU3C18D | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB511DU3C18D | 27674 | ACUITY SPECIALTY PRODUCTS, INC | | GB511DU3C18D | 73197 | HI-SHEAR CORPORATION | | GB511DU3C18D | 80539 | SPS TECHNOLOGIES, LLC | | GB511DU3C18D | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HR217C3-18D | 73197 | HI-SHEAR CORPORATION |
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Techincal Specification:
| 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 | 1.473 INCHES MINIMUM AND | | 1.513 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | 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 | OFFSET CRUCIFORM (TORQUE SET) | | HOLE CONFIGURATION STYLE | ROUND | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.032 INCHES MINIMUM AND | | 0.042 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND | | 1.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | SPECIAL FEATURES | TEMPERATURE RANGE 649 C MAXIMUM DEGREES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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