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National Stock Number:
5305-01-239-3524
Federal Supply Class:
5305
National Item Identification Number:
012393524
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:
| 11879C4-8D | 59563 | REID PRODUCTS INC. | | 3M902C4-8D | 17446 | HUCK INTERNATIONAL, INC | | 3M902C4-8D | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M902C4-8D | 73197 | HI-SHEAR CORPORATION | | 3M902C4-8D | 76301 | THE BOEING COMPANY | | 3M902C4-8D | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-4-8Y | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-4-8Y | 17446 | HUCK INTERNATIONAL, INC | | HT4020-4-8Y | 73197 | HI-SHEAR CORPORATION | | HT4020-4-8Y | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-4-8Y | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M902C4-8D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M902C4-8D | 97928 | HUCK INTL INC | | 3M902C4-8D | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4020-4-8Y | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.952 INCHES MINIMUM AND 0.999 INCHES MAXIMUM | | HEAD HEIGHT | 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HEAD DIAMETER | 0.501 INCHES MINIMUM AND 0.506 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 | 0.250 INCHES | | SHOULDER DIAMETER | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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