Product Details | VALVE SEAT

4820-01-188-5899 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: 29984 PIECE 4 2IN, 29984PIECE42IN, 4820-01-188-5899, 01-188-5899, 4820011885899, 011885899

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 SEP 1984 01-188-5899

Drawings & Photos | NSN 4820-01-188-5899


Cross Reference | NSN 4820-01-188-5899

Part Number Cage Code Manufacturer
29984 PIECE 4 2IN 14959 CRANE CO DIV VALVE DIV

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Technical Data | NSN 4820-01-188-5899

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 2.220 INCHES NOMINAL
BODY OUTSIDE DIAMETER 2.2812 INCHES NOMINAL
BODY INSIDE DIAMETER 1.901 INCHES MINIMUM AND 1.911 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.380 INCHES MINIMUM AND 0.384 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A351 GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
HARDNESS RATING 262.0 BRINELL STANDARD MINIMUM AND 302.0 BRINELL STANDARD MAXIMUM OVERALL
SEATING SURFACE SHAPE FLAT

Restrictions/Controls & Freight Information | NSN 4820-01-188-5899

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 594 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-188-5899

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 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