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National Stock Number:
5305-01-075-7086
Federal Supply Class:
5305
National Item Identification Number:
010757086
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:
| HT4008-4-15 | 17446 | HUCK INTERNATIONAL, INC | | HT4008-4-15 | 56878 | SPS TECHNOLOGIES, LLC | | HT4008-4-15 | 73197 | HI-SHEAR CORPORATION | | HT4008-4-15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4008-4-15 | 97928 | HUCK INTL INC | | HT4008-4-15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M496-4-15 | 17446 | HUCK INTERNATIONAL, INC | | ST3M496-4-15 | 73197 | HI-SHEAR CORPORATION | | ST3M496-4-15 | 76301 | THE BOEING COMPANY | | ST3M496-4-15 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M496-4-15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M496-4-15 | 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 | 1.319 INCHES MINIMUM AND 1.366 INCHES MAXIMUM | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.828 INCHES MINIMUM AND 0.848 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END 0.095 IN MIN. AND 0.097 IN MAX. WIDTH ACROSS FLATS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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