Product Details | VALVE STEM GUIDE

2815-00-303-1312 A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.20728050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components43100028Compressors and Vacuum Pumps45100033Plumbing Fixtures and Accessories48100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 2026, 2815-00-303-1312, 00-303-1312, 2815003031312, 003031312

Engines, Turbines, and Components | Diesel Engines and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1961 00-303-1312

Cross Reference | NSN 2815-00-303-1312

Part Number Cage Code Manufacturer
2026 0AF14 RYAN EQUIPMENT CO INC
2026 0AFL4 CHAMPION AEROSPACE LLC DIV CHAMPION AEROSPACE, LLC

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Technical Data | NSN 2815-00-303-1312

Characteristic Specifications
MATERIAL BRASS
METALLIC HARDNESS RATING NOT RATED
OVERALL LENGTH 2.313 INCHES NOMINAL
OUTSIDE DIAMETER 0.745 INCHES MINIMUM AND 0.748 INCHES MAXIMUM
MAJOR DIAMETER LENGTH 0.188 INCHES NOMINAL
GROOVE QUANTITY 1
AA END DIAMETER 0.626 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
BB END SHANK DIAMETER 0.536 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
BB END CHAMFER LENGTH 0.062 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG 30.0
BORE DIAMETER 0.3440 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM
BORE COUNTERSINK NOT INCLUDED
BORE COUNTERBORE NOT INCLUDED
SPECIAL FEATURES THD PORTION IS 5/8 IN.-24UNEF-3,FEATG0.406 IN MIN,0.500 IN. MAX LG THREADED PORTION,FEATG0.750 INNOM LG OF BB END,FEATDG0.875 IN MIN,0.969 IN MAX NEXT LARGER DIA PORTION AA END

Restrictions/Controls & Freight Information | NSN 2815-00-303-1312

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 2815-00-303-1312

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each