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National Stock Number:
5305-01-010-2364
Federal Supply Class:
5305
National Item Identification Number:
010102364
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:
| 10114832 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11911-4-7-1 | 59563 | REID PRODUCTS INC. | | HT4016-4-7X | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4016-4-7X | 17446 | HUCK INTERNATIONAL, INC | | HT4016-4-7X | 56878 | SPS TECHNOLOGIES, LLC | | HT4-16-4-7X | 80539 | SPS TECHNOLOGIES, LLC | | ST3M495-4-7-1 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4010-4-7 | 60516 | WEST COAST AEROSPACE, INC. | | HT4016-4-7X | 73197 | HI-SHEAR CORPORATION | | ST3M495-4-7-1 | 76301 | THE BOEING COMPANY | | HT4016-4-7X | 80539 | SPS TECHNOLOGIES, LLC | | HT4016-4-7X | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4016-4-7X | 97928 | HUCK INTL INC | | HT4016-4-7X | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.371 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | FASTENER LENGTH | 0.819 INCHES MINIMUM AND | | 0.866 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 23M112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 0.389 INCHES MINIMUM AND | | 0.394 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.264 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.375 INCHES MINIMUM AND | | 0.395 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THD END,0.095 IN. NOM WIDTH ACROSS FLATS |
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