Product Details | VALVE SEAT

4820-01-235-4359 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: 1803240087, 180324-0087, 1803240087CP, 180324-0087CP, 4820-01-235-4359, 01-235-4359, 4820012354359, 012354359

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUN 1986 01-235-4359

Drawings & Photos | NSN 4820-01-235-4359


Demand History | NSN 4820-01-235-4359

Part Number Request Date QTY Origin
180324-0087 2021-07-194 2 DIBBS
180324-0087 2020-10-301 1 DIBBS
180324-0087 2019-01-30 2 DIBBS
4820-01-235-4359 2017-12-353 2 DIBBS
4820-01-235-4359 2015-10-298 2 DIBBS
4820-01-235-4359 2014-09-264 2 DIBBS
4820-01-235-4359 2013-07-207 1 DIBBS
4820-01-235-4359 2013-07-190 1 DIBBS
4820-01-235-4359 2011-02-58 3 DIBBS

Cross Reference | NSN 4820-01-235-4359

Part Number Cage Code Manufacturer
180324-0087 99657 MAROTTA CONTROLS, INC.
180324-0087CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
180324-0087CP 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-01-235-4359

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 0.749 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.632 INCHES MINIMUM
UNDER FLANGE HEIGHT 0.190 INCHES MAXIMUM
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE O-RING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEAN IN ACCORDANCE WITH MIL-C-52211
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 99657
DESIGN CONTROL REFERENCE 180324-0087

Restrictions/Controls & Freight Information | NSN 4820-01-235-4359

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-235-4359

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
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