5305-12-178-4200 SCREW,SHOULDER Index 5305-12-178-4202 SETSCREW

National Stock Number:
5305-12-178-4201

Federal Supply Class:
5305

National Item Identification Number:
121784201

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.


Manufacturer Information:
04055064002510C7773DEGEN-LOGISTIK-KOBLENZ GMBH
30002877C1544TRW AUTOMOTIVE GMBH -STANDORTALFDORF-
90397C7773DEGEN-LOGISTIK-KOBLENZ GMBH
91003470C1544TRW AUTOMOTIVE GMBH -STANDORTALFDORF-


Techincal Specification:
FASTENER LENGTH20.0 MILLIMETERS NOMINAL
HEAD HEIGHT6.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATIONDIN ISO898TEIL ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
SHOULDER DIAMETER14.0 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH4.7 MILLIMETERS NOMINAL FIRST SHOULDER
SPECIAL FEATURESWITH FLAT POINT
WIDTH BETWEEN FLATS17.0 MILLIMETERS NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF
STRENGTH GRADE DESIGNATION8.8
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH9.6 MILLIMETERS NOMINAL


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