5305-01-146-7285 SCREW,CAP,SOCKET HEAD Index 5305-01-146-7288 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-146-7287

Federal Supply Class:
5305

National Item Identification Number:
011467287

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:
B400905956996DEPARTMENT OF THE ARMY HQ UNITED STATES ARMY COMMUNICATIONS RESEARCH AND DEVELOPMENT COMMAND


Techincal Specification:
FASTENER LENGTH27.00 MILLIMETERS NOMINAL
HEAD DIAMETER11.5 MILLIMETERS NOMINAL
HEAD HEIGHT3.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
SHOULDER DIAMETER4.35 MILLIMETERS MINIMUM AND 4.45 MILLIMETERS MAXIMUM FIRST SHOULDER
SHOULDER LENGTH5.0 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS0.7
THREAD SERIES DESIGNATORM


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