5305-12-178-9424 SCREW,MACHINE Index 5340-12-178-9427 PLUG,PROTECTIVE,DUS

National Stock Number:
5305-12-178-9425

Federal Supply Class:
5305

National Item Identification Number:
121789425

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:
DIN923-M5X25-5.8-A2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN923-M5X25-A2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN923M5X25GALZN5CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M5X25DIN923-A2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M5X25DIN923GALZN5CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
CHAMFER ANGLE45.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH32.0 MILLIMETERS NOMINAL
HARDNESS RATING160.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 220.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD DIAMETER11.0 MILLIMETERS NOMINAL
HEAD HEIGHTERR-090
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONDIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
SHOULDER DIAMETER7.0 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH25.0 MILLIMETERS NOMINAL FIRST SHOULDER
STRENGTH GRADE DESIGNATION5.8
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267TEIL9, SCHLUESSEL A2P ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
TEST DATA DOCUMENTD8286-DIN923 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.2 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.8


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