5305-01-349-9510 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-349-9513 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-349-9512

Federal Supply Class:
5305

National Item Identification Number:
013499512

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:
8949323-0198750SAN ANTONIO AIR LOGISTICS CENTER
SNT50041-C06K1002310PATTONAIR USA INC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.605 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FEATURES PROVIDEDO RING
FIRST DIAMETER FROM HEAD0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
HEAD DIAMETER0.282 INCHES MINIMUM AND 0.294 INCHES MAXIMUM
HEAD HEIGHT0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES FASTENER
MATERIALSTEEL COMP 302 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.138 INCHES
SPECIAL FEATURESO-RING PER MIL-R-25988 FLUROSILICONE; P/N AB131-2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTOXIDE FASTENER
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.340 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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