5905-01-008-9272 RESISTOR,VARIABLE,NONWIRE WOUND, Index 5306-01-008-9277 BOLT,SHOULDER

National Stock Number:
5305-01-008-9276

Federal Supply Class:
5305

National Item Identification Number:
010089276

Description:
SCREW,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 undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.


Manufacturer Information:
65700-90068-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH3.370 INCHES MINIMUM AND 3.390 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD HEIGHT0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 2
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SHANK UNTHREADED HOLE DIAMETER0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSS-8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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