5305-00-905-1644 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-905-1646 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-905-1645

Federal Supply Class:
5305

National Item Identification Number:
009051645

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:
0N270854-298230NATIONAL SECURITY AGENCY
0N370854-270318ALLMETAL SCREW PRODUCTS CORP
10851-00410138ASTRONAUTICS CORPORATION OF AMERICA
CCSS-48070318ALLMETAL SCREW PRODUCTS CORP
CCSS-4B070318ALLMETAL SCREW PRODUCTS CORP
12761173734FEDERAL SCREW PRODUCTS INC.
V9-400141ROLLER BEARING CO OF AMERICA, INC
Y9-400141ROLLER BEARING CO OF AMERICA, INC
Y9-4U00141ROLLER BEARING CO OF AMERICA, INC
CCSS-4BO70318ALLMETAL SCREW PRODUCTS CORP
SM-A-949476-180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.375 INCHES NOMINAL
COLORBLACK OVERALL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.593 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.086 INCHES NOMINAL
HEAD DIAMETER0.281 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLETORQUE
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
THREAD LENGTH0.218 INCHES MINIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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