5305-01-158-7817 SCREW,MACHINE Index 5305-01-158-7820 SCREW,ASSEMBLED WASHER

National Stock Number:
5305-01-158-7818

Federal Supply Class:
5305

National Item Identification Number:
011587818

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
NAS8302-780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTENDED WASHER THICKNESS0.026 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.354 INCHES MINIMUM AND 0.384 INCHES MAXIMUM
FASTENER LENGTH0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.284 INCHES MINIMUM AND 0.304 INCHES MAXIMUM
HEAD HEIGHT0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP E4340 OR STEEL COMP 8740
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE
SPECIFICATION/STANDARD DATA80205-NAS8302 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.378 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJC


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