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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.
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Manufacturer Information:
| 76000249-001 | 04939 | LOCKHEED MARTIN CORPORATION | | RT174BC4-1 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.688 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | COLOR | NATURAL OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.132 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | SPECIAL FEATURES | MATERIAL IS A286 CRES; HEAT TREAT TO 160 KSI MINIMUM; REMOVE BURS AND BREAK SHARP EDGES; USED WITH 76000250 RETAINING RING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE HEX BOLT |
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