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National Stock Number:
5305-01-618-5873
Federal Supply Class:
5305
National Item Identification Number:
016185873
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.
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Manufacturer Information:
| 2693716 | 96214 | RAYTHEON COMPANY | | 2693716-0033 | 00WU0 | CHIEF MANUFACTURING INC | | 2693716-0033 | 0F620 | CBS FASTENERS, LLC | | 2693716-0033 | 0SY84 | FAIRCHILD CORP AEROSPACE TOOLS/AEROSPACE FASTENER DIV | | 2693716-0033 | 56878 | SPS TECHNOLOGIES, LLC | | 2693716-0033 | 62206 | B & B SPECIALTIES INC | | 2693716-0033 | 71838 | SPS TECHNOLOGIES AFG DIV | | 2693716-0033 | 82896 | SAFETY SOCKET LLC | | 2693716-0033 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS | | 2693716-0033 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.417 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | FASTENER LENGTH | 0.969 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OR | | CHROMIUM AND | | NICKEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 300 SERIES STAINLESS STEEL IAW QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR | | FED-STD-66 FED STD 1ST MATERIAL RESPONSE OR | | 16:18 OR 18:18 CHROME-NICKEL ALLOY STEEL(MUST BE EQUAL TO/INTERCHANGEABLE WITH 300 SERIES STAINLESS STEEL) MFR REF 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT FILLISTER | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.187 INCHES MINIMUM AND | | 0.197 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,EXTERNALLY RELIEVED SHANK,SOCKET HEAD CAP,CRES |
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