Product Details | VALVE SEAT

4820-01-163-8556 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: CE1W1197B, CE-1W1197B, W1197B, 1W1197B, 37689866, 3W11978, 43CS4MWS, 4820-01-163-8556, 01-163-8556, 4820011638556, 011638556

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 OCT 1983 01-163-8556

Demand History | NSN 4820-01-163-8556

Part Number Request Date QTY Origin
1W1197B 2025-02-45 13 DIBBS
43CS4MWS 2025-02-45 13 DIBBS
CE-1W1197B 2025-02-45 13 DIBBS
1W1197B 2025-02-34 13 DIBBS
43CS4MWS 2025-02-34 13 DIBBS
CE-1W1197B 2025-02-34 13 DIBBS

Cross Reference | NSN 4820-01-163-8556

Part Number Cage Code Manufacturer
1W1197B 0AT62 DRESSER-RAND COMPANY DBA RECIPROCATING PRODUCTS DIV
1W1197B 58430 COMPRESSOR ENGINEERING CORPORATION DBA CECO
1W1197B 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS
37689866 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS
3W11978 68866 GENESEE STAMP AND STATIONERY INC
43CS4MWS 0AT62 DRESSER-RAND COMPANY DBA RECIPROCATING PRODUCTS DIV
43CS4MWS 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS
CE-1W1197B 58430 COMPRESSOR ENGINEERING CORPORATION DBA CECO
W1197B 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS

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Technical Data | NSN 4820-01-163-8556

Characteristic Specifications
FLANGE DIAMETER 5.200 INCHES NOMINAL
BODY OUTSIDE DIAMETER 4.719 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.266 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
HARDNESS RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-01-163-8556

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 4820-01-163-8556

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each