Product Details | VALVE SEAT

4820-00-050-7670 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: 81088, 4820-00-050-7670, 00-050-7670, 4820000507670, 000507670

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 MAY 1967 00-050-7670

Drawings & Photos | NSN 4820-00-050-7670


Demand History | NSN 4820-00-050-7670

Part Number Request Date QTY Origin
4820-00-050-7670 2010-12-337 4 DIBBS

Cross Reference | NSN 4820-00-050-7670

Part Number Cage Code Manufacturer
81088 81982 HYDRO-AIRE, INC.

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Technical Data | NSN 4820-00-050-7670

Characteristic Specifications
STYLE DESIGNATOR A13 FAUCET
BODY OUTSIDE DIAMETER 0.328 INCHES NOMINAL
BODY INSIDE DIAMETER 0.135 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.225 INCHES MINIMUM AND 0.238 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM BODY
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED
SPECIAL FEATURES TWO 0.125 IN. DIA HOLES IN FLANGE
III FSC APPLICATION DATA MANIFOLD,HYDRAULIC SYSTEM ACCESSORIES,ACFT
MANUFACTURERS CODE 81982
DESIGN CONTROL REFERENCE 81088

Restrictions/Controls & Freight Information | NSN 4820-00-050-7670

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 KE Naval ICP
Philadelphia, PA 19111
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 4820-00-050-7670

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