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National Stock Number:
5305-01-567-8073
Federal Supply Class:
5305
National Item Identification Number:
015678073
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:
| 11913-7-20 | 59563 | REID PRODUCTS INC. | | HT4008-7-20 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4008-7-20 | 17446 | HUCK INTERNATIONAL, INC | | HT4008-7-20 | 73197 | HI-SHEAR CORPORATION | | HT4008-7-20 | 80539 | SPS TECHNOLOGIES, LLC | | HT4008-7-20 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M496-7-20 | 0UCY9 | M.S. AEROSPACE INC. | | ST3M496-7-20 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M496-7-20 | 76301 | THE BOEING COMPANY | | WC4008-7-20 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.849 INCHES NOMINAL | | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CLOSE TOLERANCE | | SHOULDER DIAMETER | 0.452 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.599 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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