5305-12-178-4194 SCREW,EXTERNALLY RELIEVED BODY Index 5305-12-178-4196 SCREW,SHOULDER

National Stock Number:
5305-12-178-4195

Federal Supply Class:
5305

National Item Identification Number:
121784195

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:
2300002-184110-003D1839BUNDESAMT FUER AUSRUESTUNG,
2300002-184110.003C2311BUNDESAMT FUER AUSRUESTUNG, INFORMATIONSTECHNIK UND NUTZUNG DER BUNDESWEHR (BAAINBW) - BENUTZUNGSRECHTE AN TECHNISCHEN U
2300002-184110.003D1839BUNDESAMT FUER AUSRUESTUNG,
2300002-184110.003D9448RHEINMETALL LANDSYSTEME GMBH
2300002-184110.003DRMV1RHEINMETALL MAN MILITARY VEHICLES GMBH


Techincal Specification:
SHOULDER DIAMETER19.9 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER LENGTH17.5 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESWITH THREAD UNDERCUT
WIDTH ACROSS FLATS14.0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC OVERALL
TEST DATA DOCUMENTD1839-2300002-184110.003 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THREAD DIRECTIONRIGHT-HAND
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH38.0 MILLIMETERS NOMINAL
HEAD DIAMETER25.0 MILLIMETERS NOMINAL
HEAD HEIGHT5.0 MILLIMETERS NOMINAL
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN17210, BESCHAFFENHEIT 07 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1.0401 OVERALL
NOMINAL THREAD DIAMETER16.0 MILLIMETERS
THREAD LENGTH18.5 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.5


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