5855-01-540-1832 SIGHT,THERMAL Index 5330-01-540-1834 PACKING,PREFORMED

National Stock Number:
5306-01-540-1833

Federal Supply Class:
5306

National Item Identification Number:
015401833

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.


Manufacturer Information:
76000249-00104939LOCKHEED MARTIN CORPORATION
RT174BC4-184256AVIBANK MFG., INC.


Techincal Specification:
COLORNATURAL OVERALL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD HEIGHT0.132 INCHES NOMINAL
HEAD STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYCAPTIVE HEX BOLT
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESMATERIAL IS A286 CRES; HEAT TREAT TO 160 KSI MINIMUM; REMOVE BURS AND BREAK SHARP EDGES; USED WITH 76000250 RETAINING RING
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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