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National Stock Number:
5305-01-266-8376
Federal Supply Class:
5305
National Item Identification Number:
012668376
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| HT4011-7-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4011-7-8 | 17446 | HUCK INTERNATIONAL, INC | | HT4011-7-8 | 73197 | HI-SHEAR CORPORATION | | HT4011-7-8 | 80539 | SPS TECHNOLOGIES, LLC | | HT4011-7-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4011-7-8 | 97928 | HUCK INTL INC | | HT4011-7-8 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M506-7-8 | 76301 | THE BOEING COMPANY | | ST3M506-7-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.068 INCHES MINIMUM AND 1.083 INCHES MAXIMUM | | HEAD DIAMETER | 0.644 INCHES MINIMUM AND 0.704 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | SHOULDER DIAMETER | 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | INTERNAL HEX IN POINT | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.573 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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