5305-01-140-2480 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-140-2484 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-140-2481

Federal Supply Class:
5305

National Item Identification Number:
011402481

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:
0N279141-298230NATIONAL SECURITY AGENCY
4619-M-7-F1504729UNICORP.
4619-M07-F1504729UNICORP.
ON279141-298230NATIONAL SECURITY AGENCY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.303 INCHES MINIMUM AND 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM0.323 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY11
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM0.510 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.073 INCHES MINIMUM AND 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM0.083 INCHES MAXIMUM
HEAD DIAMETER0.166 INCHES MINIMUM AND 0.166 INCHES MINIMUM AND 0.182 INCHES MAXIMUM0.182 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM0.078 INCHES MAXIMUM
HEAD STYLEFILLISTERFILLISTER
INTERNAL DRIVE STYLESLOTSLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALLASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES0.112 INCHES
SPECIAL FEATURESCOLOR BLACKCOLOR BLACK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-C-13924 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALLOXIDE OVERALL
THREAD LENGTH0.156 INCHES NOMINAL0.156 INCHES NOMINAL
THREAD CLASS2A2A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD QUANTITY PER INCH4040
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)


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