Product Details | VALVE SEAT

4820-01-221-7338 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 152F 4IN ITEM 6, 152F ITEM 6, 152F4INITEM6, 152FITEM6, 4820-01-221-7338, 01-221-7338, 4820012217338, 012217338

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 DEC 1985 01-221-7338

Cross Reference | NSN 4820-01-221-7338

Part Number Cage Code Manufacturer
152F 4IN ITEM 6 79342 WILLIAM E WILLIAMS, VALVE CORP DBA WILLIAMS VALVE
152F ITEM 6 79342 WILLIAM E WILLIAMS, VALVE CORP DBA WILLIAMS VALVE

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Technical Data | NSN 4820-01-221-7338

Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER 1.635 INCHES NOMINAL
BODY INSIDE DIAMETER 1.025 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.185 INCHES MINIMUM AND
UNDER FLANGE HEIGHT 0.250 INCHES NOMINAL
MATERIAL COPPER ALLOY OVERALL
SEATING SURFACE SHAPE FLAT
THREAD SERIES DESIGNATOR UNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 1.500 INCHES SINGLE THREADED PORTION
THREAD CLASS 3A SINGLE THREADED PORTION
THREAD LENGTH 0.170 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURES SURFACE TREATMENT IS STELLITE

Restrictions/Controls & Freight Information | NSN 4820-01-221-7338

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:AItem does not contain precious metal
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-221-7338

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each