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National Stock Number:
5305-01-150-6356
Federal Supply Class:
5305
National Item Identification Number:
011506356
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:
| 20631/300-21 | K0100 | MEGGITT (UK) LIMITED | | 20631/300.21 | K0639 | AERONAUTICAL & GENERAL INSTRUMENTS LIMITED | | 20631/300.21 | K0735 | TRIDENT MARITIME SYSTEMS UK LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.310 INCHES NOMINAL | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | BS970,PT4,416541 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.110 INCHES | | SHOULDER DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.130 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | INTERNAL DRIVE SLOT 0.030 IN W AND 0.030 IN. DP | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.130 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | BA |
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