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National Stock Number:
5305-99-138-1143
Federal Supply Class:
5305
National Item Identification Number:
991381143
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:
| 540 10MMB0DYD1A8MM1S025MMLG | U1811 | UNBRAKO A DIVISION OF S P S TECHNOLO IES LTD | | 540 10MMBODYDIA8MM1S025MMLG | U1811 | UNBRAKO A DIVISION OF S P S TECHNOLO IES LTD | | BW11084 | K4629 | BOUGHTON ENGINEERING LIMITED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 38.25 MILLIMETERS NOMINAL | | HEAD DIAMETER | 16.00 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 7.00 MILLIMETERS MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 8.00 MILLIMETERS | | SHOULDER DIAMETER | 10.00 MILLIMETERS NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 25.00 MILLIMETERS NOMINAL FIRST SHOULDER | | WIDTH ACROSS FLATS | 5.08 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 13.25 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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