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National Stock Number:
5305-01-142-6290
Federal Supply Class:
5305
National Item Identification Number:
011426290
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:
| HT4020-3-7AX | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-7AX | 17446 | HUCK INTERNATIONAL, INC | | HT4020-3-7AX | 73197 | HI-SHEAR CORPORATION | | HT4020-3-7AX | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-3-7AX | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-7AX | 97928 | HUCK INTL INC | | ST3M653C3-7A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M653C3-7A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M653C3-7A | 60516 | WEST COAST AEROSPACE, INC. | | WC4020-3-7AX | 60516 | WEST COAST AEROSPACE, INC. | | ST3M653C3-7A | 76301 | THE BOEING COMPANY | | HT4020-3-7AX | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4020-3-7AX | 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 | 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD HEIGHT | 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM | | HEAD DIAMETER | 0.377 INCHES MINIMUM AND 0.381 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 | 0.190 INCHES | | SHOULDER DIAMETER | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.387 INCHES MINIMUM AND 0.409 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 | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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