5360-01-548-8643 SPRING,HELICAL,EXTENSION Index 5325-01-548-8645 INSERT,SCREW THREAD

National Stock Number:
5305-01-548-8644

Federal Supply Class:
5305

National Item Identification Number:
015488644

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:
M87114/4-8-2581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-B-8711481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NAS1802-4-2580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH1.546 INCHES MINIMUM AND 1.592 INCHES MAXIMUM
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLECROSS RECESS TYPE II
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,HEX HEAD, CRUCIFORM RECESS
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONA286 CRES (UNS S66286) CONFORMING TO THE CHEMISTRY OF AMS5731, AMS5732, AMS5737 OR AMS5853 MFR REF SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW SURFACE TREATMENTPASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SPECIFICATION/STANDARD DATA80205 - NAS1802 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.498 INCHES MINIMUM AND 1.530 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM


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