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National Stock Number:
5305-01-238-8881
Federal Supply Class:
5305
National Item Identification Number:
012388881
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:
| 11879C6-18D | 59563 | REID PRODUCTS INC. | | 3M902C6-18D | 76301 | THE BOEING COMPANY | | HT4020-6-18Y | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-18Y | 17446 | HUCK INTERNATIONAL, INC | | HT4020-6-18Y | 73197 | HI-SHEAR CORPORATION | | 3M902C6-18D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-18Y | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-6-18Y | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-18Y | 97928 | HUCK INTL INC | | HT4020-6-18Y | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.750 INCHES MINIMUM AND 1.797 INCHES MAXIMUM | | HEAD HEIGHT | 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM | | HEAD DIAMETER | 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.4052 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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