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National Stock Number:
5305-01-091-7926
Federal Supply Class:
5305
National Item Identification Number:
010917926
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:
| 66904H8-16 | 56878 | SPS TECHNOLOGIES, LLC | | 66904H8-16 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M547-8-16 | 17446 | HUCK INTERNATIONAL, INC | | HT308-8-16 | 73197 | HI-SHEAR CORPORATION | | ST3M547-8-16 | 76301 | THE BOEING COMPANY | | HT308-8-16 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.624 INCHES MINIMUM AND | | 0.690 INCHES MAXIMUM | | FASTENER LENGTH | 1.634 INCHES MINIMUM AND | | 1.680 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 23M105 FSCM 176301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS 13145 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 1.007 INCHES MINIMUM AND | | 1.017 INCHES MAXIMUM | | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND | | 110.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.5297 INCHES MINIMUM AND | | 0.5307 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.788 INCHES MINIMUM AND | | 0.808 INCHES MAXIMUM FIRST SHOULDER | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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