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National Stock Number:
5305-01-149-3057
Federal Supply Class:
5305
National Item Identification Number:
011493057
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:
| 3M958-4D14 | 76301 | THE BOEING COMPANY | | 3M958-4D14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-4D14X | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-4D14X | 17446 | HUCK INTERNATIONAL, INC | | HT4049-4D14X | 73197 | HI-SHEAR CORPORATION | | HT4049-4D14X | 80539 | SPS TECHNOLOGIES, LLC | | ST3M958-4D14 | 76301 | THE BOEING COMPANY | | HT4049-4D14X | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-4D14X | 97928 | HUCK INTL INC | | HT4049-4D14X | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.053 INCHES MINIMUM AND 1.093 INCHES MAXIMUM FIRST HOLE | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.176 INCHES MINIMUM AND 1.206 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 | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.766 INCHES MINIMUM AND 0.786 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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