Product Details | VALVE SEAT

4820-01-057-7282 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: 1667520091, 166752-0091, 16675291, 166752-91, 280090 PIECE 15, 28009035PC15, 280090-35PC15, 280090PIECE15, 4820-01-057-7282, 01-057-7282, 4820010577282, 010577282

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 MAR 1978 01-057-7282

Drawings & Photos | NSN 4820-01-057-7282


Cross Reference | NSN 4820-01-057-7282

Part Number Cage Code Manufacturer
166752-0091 99657 MAROTTA CONTROLS, INC.
166752-91 99657 MAROTTA CONTROLS, INC.
280090 PIECE 15 99657 MAROTTA CONTROLS, INC.
280090-35PC15 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-01-057-7282

Characteristic Specifications
STYLE DESIGNATOR B4A THREADED FLANGED
FLANGE DIAMETER ANY ACCEPTABLE
OVERALL HEIGHT 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.044 INCHES MINIMUM AND 1.046 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.036 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.034 INCHES MINIMUM AND 0.038 INCHES MAXIMUM
BODY STEPPED INSIDE DIAMETER 0.520 INCHES MINIMUM AND 0.522 INCHES MAXIMUM FIRST STEP
MATERIAL RUBBER FLUOROCARBON OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-057-7282

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 4820-01-057-7282

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