Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-138-9540 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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Part Alternates: 232391Y13, 5306-00-138-9540, 00-138-9540, 5306001389540, 001389540

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 09 AUG 1971 00-138-9540

Drawings & Photos | NSN 5306-00-138-9540


Cross Reference | NSN 5306-00-138-9540

Part Number Cage Code Manufacturer
232391Y13 0AHP5 CURTISS-WRIGHT CONTROLS, INC DIV FLIGHT SYSTEMS

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Technical Data | NSN 5306-00-138-9540

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
FASTENER LENGTH 1.560 INCHES NOMINAL
MATERIAL STEEL COMP 8740 OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C24 ROUND WITH WRENCH FLATS CHAMFERED
HEAD DIAMETER 1.000 INCHES NOMINAL
HEAD HEIGHT 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.560 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.4547 INCHES MINIMUM AND 0.4550 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.710 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION AAWC

Restrictions/Controls & Freight Information | NSN 5306-00-138-9540

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
No Freight Information

Management | NSN 5306-00-138-9540

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each