Product Details | VALVE SEAT

4820-00-623-8629 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: A7002001, A700-200-1, 50 081 234 600, 50081234600, 4 711 557PC4, 4711557PC4, 4820-00-623-8629, 00-623-8629, 4820006238629, 006238629

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 MAR 1975 00-623-8629

Drawings & Photos | NSN 4820-00-623-8629


Demand History | NSN 4820-00-623-8629

Part Number Request Date QTY Origin
4 711 557PC4 2022-02-46 9 DIBBS
50 081 234 600 2022-02-46 9 DIBBS
A700-200-1 2022-02-46 9 DIBBS
4 711 557PC4 2021-06-158 7 DIBBS
50 081 234 600 2021-06-158 7 DIBBS
A700-200-1 2021-06-158 7 DIBBS
4820-00-623-8629 2011-11-311 1 DIBBS
4820-00-623-8629 2010-11-327 7 DIBBS
4820-00-623-8629 2010-06-175 3 DIBBS
4820-00-623-8629 2009-10-300 12 DIBBS

Cross Reference | NSN 4820-00-623-8629

Part Number Cage Code Manufacturer
4 711 557PC4 35076 AIRCRAFT APPLIANCES AND EQUIPMENT LIMITED
50 081 234 600 35076 AIRCRAFT APPLIANCES AND EQUIPMENT LIMITED
A700-200-1 35076 AIRCRAFT APPLIANCES AND EQUIPMENT LIMITED

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Technical Data | NSN 4820-00-623-8629

Characteristic Specifications
STYLE DESIGNATOR B1 THREADED FLANGED
FLANGE DIAMETER 0.641 INCHES NOMINAL
BODY INSIDE DIAMETER 0.312 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.109 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.375 INCHES NOMINAL
MATERIAL NICKEL ALLOY R-405 OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
THREAD SERIES DESIGNATOR UNF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 0.500 INCHES SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 0.250 INCHES NOMINAL SINGLE THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4820-00-623-8629

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 4820-00-623-8629

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