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National Stock Number:
5305-12-321-0326
Federal Supply Class:
5305
National Item Identification Number:
123210326
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:
| DIN923-M4X3-C4-50 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M4X3DIN923X12CRNOS17 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G | | FASTENER LENGTH | 9.0 MILLIMETERS NOMINAL | | HEAD DIAMETER | 13.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 3.1 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN267TEIL11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4320H OVERALL | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | PURCHASE DESCRIPTION IDENTIFICATION | D8286-DIN923-M4X3-C4-50 | | SHOULDER DIAMETER | 8.0 MILLIMETERS NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 3.0 MILLIMETERS NOMINAL FIRST SHOULDER | | SPECIAL FEATURES | 250 NEWTONS PER SQ MM OFFSET YIELD STRENGTH, 500 NEWTONS PER SQ MM MIN TENSILE STRENGTH | | STRENGTH GRADE DESIGNATION | 50 | | TEST DATA DOCUMENT | D8286-DIN923 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.6 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.7 |
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