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National Stock Number:
5305-01-144-0987
Federal Supply Class:
5305
National Item Identification Number:
011440987
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:
| 10440908 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | HT4020-6-12AX | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-12AX | 17446 | HUCK INTERNATIONAL, INC | | HT4020-6-12AX | 73197 | HI-SHEAR CORPORATION | | HT4020-6-12AX | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-6-12AX | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M653C6-12A | 76301 | THE BOEING COMPANY | | ST3M653C6-12A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-6-12AX | 97928 | HUCK INTL INC | | HT4020-6-12AX | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.375 INCHES MINIMUM AND 1.422 INCHES MAXIMUM | | HEAD DIAMETER | 0.756 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.111 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 | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.629 INCHES MINIMUM AND 0.651 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | FURNISHED WITH ONE RUBBER O RING | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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