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National Stock Number:
5305-00-347-8355
Federal Supply Class:
5305
National Item Identification Number:
003478355
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:
| 3M50-4-10 | 76301 | THE BOEING COMPANY | | 3M50-4-10 | 80539 | SPS TECHNOLOGIES, LLC | | HT409A4-10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 54267-4-10 | 50392 | SPS TECHNOLOGIES INC | | 54267-4-10 | 56878 | SPS TECHNOLOGIES, LLC | | HT409A4-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HTS501-4-10 | 17446 | HUCK INTERNATIONAL, INC | | HT41UA10 | 1L3U4 | DEFENSE SUPPORT SERVICES, INC. | | HT41UA10 | 73197 | HI-SHEAR CORPORATION | | HT41UA-10 | 73197 | HI-SHEAR CORPORATION | | HT409A4-10 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT41UA10 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT41UA-10 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT41UA10 | R1120 | SATAIR A/S |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | HEAD HEIGHT | 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.548 INCHES MINIMUM AND 0.570 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | FURNISHED WITH ONE O-RING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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