Product Details | VALVE SEAT

4820-00-397-3222 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: 31886622, 3188662-2, 4820-00-397-3222, 00-397-3222, 4820003973222, 003973222

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 APR 1974 00-397-3222

Drawings & Photos | NSN 4820-00-397-3222


Demand History | NSN 4820-00-397-3222

Part Number Request Date QTY Origin
3188662-2 2025-08-219 144 DIBBS
3188662-2 2023-08-243 101 DIBBS
4820-00-397-3222 2018-12-354 40 DIBBS
4820-00-397-3222 2018-12-343 40 DIBBS
4820-00-397-3222 2018-01-02 43 DIBBS
4820-00-397-3222 2017-12-353 43 DIBBS
4820-00-397-3222 2017-11-305 150 DIBBS
4820-00-397-3222 2017-09-248 33 DIBBS
4820-00-397-3222 2017-08-220 23 DIBBS
4820-00-397-3222 2017-08-219 23 DIBBS
4820-00-397-3222 2017-07-207 23 DIBBS
4820-00-397-3222 2017-06-179 12 DIBBS
4820-00-397-3222 2017-06-158 9 DIBBS
4820-00-397-3222 2017-05-141 50 DIBBS
4820-00-397-3222 2017-03-78 53 DIBBS
4820-00-397-3222 2016-09-263 44 DIBBS
4820-00-397-3222 2016-09-251 44 DIBBS
4820-00-397-3222 2016-06-171 41 DIBBS
4820-00-397-3222 2016-05-137 87 DIBBS
4820-00-397-3222 2016-05-126 87 DIBBS
4820-00-397-3222 2016-03-83 42 DIBBS
4820-00-397-3222 2016-03-69 42 DIBBS
4820-00-397-3222 2014-10-281 192 DIBBS
4820-00-397-3222 2011-03-74 323 DIBBS
4820-00-397-3222 2010-05-132 240 DIBBS
4820-00-397-3222 2009-11-323 139 DIBBS
4820-00-397-3222 2009-08-232 162 DIBBS
4820-00-397-3222 2009-06-169 120 DIBBS

Cross Reference | NSN 4820-00-397-3222

Part Number Cage Code Manufacturer
3188662-2 59364 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
3188662-2 77068 ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
3188662-2 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE

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Technical Data | NSN 4820-00-397-3222

Characteristic Specifications
STYLE DESIGNATOR B11 PLAIN
OVERALL HEIGHT 0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER 0.875 INCHES NOMINAL
BODY INSIDE DIAMETER 0.688 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT

Restrictions/Controls & Freight Information | NSN 4820-00-397-3222

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
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 4820-00-397-3222

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative