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National Stock Number: 5305-00-136-3191
Federal Supply Class: 5305
National Item Identification Number: 001363191
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:
87979-506-1 | 94756 | THE BOEING COMPANY |
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Techincal Specification:
FASTENER LENGTH | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM | HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | HEAD HEIGHT | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | SLOT | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.112 INCHES | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER DIAMETER | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM FIRST SHOULDER | SHOULDER LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST SHOULDER | THREAD LENGTH | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 40 | THREAD SERIES DESIGNATOR | UNC |
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