Product Details | EXTERNALLY THREADED RING

5365-00-646-7618 A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. One face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. Excludes RETAINER, OPTICAL ELEMENT.202132500005365000000

Part Alternates: 641543, 5365-00-646-7618, 00-646-7618, 5365006467618, 006467618

Hardware and Abrasives | Bushings, Rings, Shims, and Spacers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-646-7618

Cross Reference | NSN 5365-00-646-7618

Part Number Cage Code Manufacturer
641543 99551 GOODRICH CORPORATION DIV POWER TRANSMISSION SYSTEMS

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Technical Data | NSN 5365-00-646-7618

Characteristic Specifications
MATERIAL STEEL,E-8740-6 ALLOY
SURFACE TREATMENT CADMIUM,QQ-P-416,TY 2
OVERALL LENGTH 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
MATERIAL HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
DRIVE TYPE KEYWAY
WIDTH 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
DEPTH 0.215 INCHES NOMINAL
THREAD SIZE 2.578-20
SCREW THREAD SERIES DESIGNATOR UNS
THREAD PITCH DIAMETERS 2.5404 TO 2.5455 INCHES
THREAD DIRECTION RIGHT-HAND
BEVELED THREAD INCLUDED
THREAD LOCATION BOTH ENDS
BORE SHAPE STRAIGHT
BORE DIAMETER 2.188 INCHES MINIMUM AND 2.219 INCHES MAXIMUM
BORE ANNULAR INTERNAL SERRATION NOT INCLUDED
BORE EDGE PROCESS CHAMFERED
PROCESS END LOCATION BOTH ENDS
CHAMFER ANGLE IN DEG 45.0
CHAMFER LENGTH 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
END RADIUS 1.289 INCHES NOMINAL
SETSCREW LOCKING NOTCH NOT INCLUDED
MANUFACTURERS CODE 99551
DESIGN CONTROL REFERENCE 641543

Restrictions/Controls & Freight Information | NSN 5365-00-646-7618

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:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information

Management | NSN 5365-00-646-7618

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
A
EA : Each