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National Stock Number:
5305-01-585-8097
Federal Supply Class:
5305
National Item Identification Number:
015858097
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:
| HT4020-6-19AX | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-19AX | 17446 | HUCK INTERNATIONAL, INC | | ST3M653C6-19A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4020-6-19AX | 73197 | HI-SHEAR CORPORATION | | HT4020-6-19AX | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-6-19AX | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4020-6-19AX | 60516 | WEST COAST AEROSPACE, INC. | | ST3M653C6-19A | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM | | HEAD DIAMETER | 0.756 INCHES MINIMUM | | HEAD HEIGHT | 0.109 INCHES MINIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.615 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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