5306-01-172-3265 BOLT,SHOULDER Index 5305-01-172-3267 SCREW,MACHINE

National Stock Number:
5305-01-172-3266

Federal Supply Class:
5305

National Item Identification Number:
011723266

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:
75A427217-2001K0289BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES
75A427217-2001U9143BAE SYSTEMS (OPERATIONS) LIMITED


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD HEIGHT0.180 INCHES NOMINAL
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLETORQUE
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.312 INCHES
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONS143 FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONS26-13 FSCM K0289 MFR REF SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
SPECIAL FEATURESSLOT ON BOTTOM OF SCREW 0.100 INCH IN DEPTH,0.060 INCH IN WIDTH
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.150 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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