5305-01-566-4569 SCREW,MACHINE Index 5305-01-566-4606 SCREW,MACHINE

National Stock Number:
5305-01-566-4570

Federal Supply Class:
5305

National Item Identification Number:
015664570

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:
NAS1802-4D4380205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH2.689 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HOLE CONFIGURATION STYLEHEXAGON FLATS
HEAD STYLEHEXAGON
HOLE DIAMETER0.046 INCHES MINIMUM
HOLE QUANTITY6
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALIRON ALLOY 660
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.689 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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