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National Stock Number:
5305-01-247-3701
Federal Supply Class:
5305
National Item Identification Number:
012473701
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:
| HT4008-6-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4008-6-8 | 17446 | HUCK INTERNATIONAL, INC | | HT4008-6-8 | 73197 | HI-SHEAR CORPORATION | | HT4008-6-8 | 80539 | SPS TECHNOLOGIES, LLC | | HT4008-6-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4008-6-8 | 97928 | HUCK INTL INC | | ST3M496-6-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M496-6-8 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M496-6-8 | 60516 | WEST COAST AEROSPACE, INC. | | WC4008-6-8 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M496-6-8 | 76301 | THE BOEING COMPANY | | HT4008-6-8 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4008-6-8 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.491 INCHES MINIMUM AND | | 0.541 INCHES MAXIMUM | | FASTENER LENGTH | 1.001 INCHES MINIMUM AND | | 1.031 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.752 INCHES MINIMUM AND | | 0.762 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.3896 INCHES MINIMUM AND | | 0.3901 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | INTERNAL HEXAGON SOCKET ON THREADED END 0.1582 IN. TO 0.1617 IN. WIDTH ACROSS FLATS |
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