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National Stock Number:
5305-01-510-6740
Federal Supply Class:
5305
National Item Identification Number:
015106740
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:
| 11931-7D44 | 59563 | REID PRODUCTS INC. | | HT4049-7D44 | 06725 | SPS TECHNOLOGIES, LLC | | HT4049-7D44 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-7D44 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4049-7D44 | 17446 | HUCK INTERNATIONAL, INC | | HT4049-7D44 | 27624 | SPS TECHNOLOGIES LLC | | ST3M714-7D44 | 06710 | VALLEY-TODECO, INC. | | ST3M714-7D44 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4049-7D44 | 56878 | SPS TECHNOLOGIES, LLC | | HT4049-7D44 | 73197 | HI-SHEAR CORPORATION | | HT4049-7D44 | 80539 | SPS TECHNOLOGIES, LLC | | HT4049-7D44 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-7D44 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4049-7D44 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M714-7D44 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M714-7D44 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4049-7D44 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M714-7D44 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.085 INCHES MINIMUM AND 3.090 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 3.203 INCHES NOMINAL | | GRIP DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | GRIP LENGTH | 2.750 INCHES NOMINAL | | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEGREE COUNTERSUNK,DOVETAIL SLOT HEAD, SHORT THREAD, CRES (125 KSI FUS) | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.453 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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