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National Stock Number:
5305-12-178-4198
Federal Supply Class:
5305
National Item Identification Number:
121784198
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:
| 0049906301 | D8046 | DAIMLER AG | | 803019811B | D9134 | VOLKSWAGEN AG DBA VOLKSWAGEN AG DIV VOLKSWAGEN GROUP FLEET INTERNATIONAL | | 9100 1050 | C1544 | TRW AUTOMOTIVE GMBH -STANDORTALFDORF- | | 91001050 | C1544 | TRW AUTOMOTIVE GMBH -STANDORTALFDORF- |
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Techincal Specification:
| FASTENER LENGTH | 36.5 MILLIMETERS NOMINAL | | HARDNESS RATING | 225.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 5.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SHOULDER DIAMETER | 14.0 MILLIMETERS NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 6.6 MILLIMETERS NOMINAL FIRST SHOULDER | | WIDTH BETWEEN FLATS | 17.0 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 8.8 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 24.6 MILLIMETERS NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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