Product Details | VALVE SEAT

4820-01-120-8630 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: 15131601042, 151316010-42 , 1513160105, 151316010-5 , 17861P , 17861P00, 17861P-00 , 298-00-140E-PC8-1.0IN , 29800140EPC810IN, 298-00-140PC8-1.0IN-ASSY-C, 29800140PC810INASSYC, 298-00-411 PC7-1IN, 298-00-411PC7-1.25IN-ASSY-A , 29800411PC711N, 298-00-411-PC7-11N, 29800411PC7125INASSYA, 29800411PC71IN, 298-00-453-1.0IN-ASSY-C-PC8, 2980045310INASSYCPC8, 298-00-453-PC8-1.0IN, 298-00-453PC8-1.0IN-ASSY-C, 29800453PC810IN, 29800453PC810INASSYC, 002181400010001, 002-18-14-0001-0001, 5001003S52104, 5001003-S521-04, 938212 , 93821201, 938212-01 , 9382121, 938212-1 , 4820-01-120-8630, 01-120-8630, 4820011208630, 011208630

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 OCT 1981 01-120-8630

Drawings & Photos | NSN 4820-01-120-8630


Cross Reference | NSN 4820-01-120-8630

Part Number Cage Code Manufacturer
002-18-14-0001-0001 16626 CIRCOR INTL INC
002-18-14-0001-0001 35795 LESLIE CONTROLS, INC.
298-00-140E-PC8-1.0IN 16626 CIRCOR INTL INC
298-00-140E-PC8-1.0IN 35795 LESLIE CONTROLS, INC.
298-00-140PC8-1.0IN-ASSY-C 16626 CIRCOR INTL INC
298-00-140PC8-1.0IN-ASSY-C 35795 LESLIE CONTROLS, INC.
298-00-411 PC7-1IN 16626 CIRCOR INTL INC
298-00-411 PC7-1IN 35795 LESLIE CONTROLS, INC.
298-00-411-PC7-11N 16626 CIRCOR INTL INC
298-00-411-PC7-11N 35795 LESLIE CONTROLS, INC.
298-00-411PC7-1.25IN-ASSY-A 16626 CIRCOR INTL INC
298-00-411PC7-1.25IN-ASSY-A 35795 LESLIE CONTROLS, INC.
298-00-453-1.0IN-ASSY-C-PC8 16626 CIRCOR INTL INC
298-00-453-1.0IN-ASSY-C-PC8 35795 LESLIE CONTROLS, INC.
298-00-453-PC8-1.0IN 16626 CIRCOR INTL INC
298-00-453-PC8-1.0IN 35795 LESLIE CONTROLS, INC.
298-00-453PC8-1.0IN-ASSY-C 16626 CIRCOR INTL INC
298-00-453PC8-1.0IN-ASSY-C 35795 LESLIE CONTROLS, INC.
5001003-S521-04 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-120-8630

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 2.427 INCHES MINIMUM AND 2.432 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 2.177 INCHES MINIMUM AND 2.182 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.870 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MATERIAL WILL BE IN ACCORCANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 16626
DESIGN CONTROL REFERENCE 298-00-453PC8-1.0IN-ASSY-C

Restrictions/Controls & Freight Information | NSN 4820-01-120-8630

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:FMunitions List Item or Commerce Control List Item. Demilitarization required. Demilitarization Instructions to be furnished by the Item/Technical Manager.
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
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 128000 PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating M 85.0
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 4820-01-120-8630

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg
Special Material IDX3Nuclear Reactor Plant (NRP) material under the technical cognizance of the NAVSEA 08 special designed, manufactured and/or treated for use in a NRP or controls thereof. This category includes all other NRP items which are not coded X2 or X4.
Issue Repair, or RequisitionBLSubmit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipments.
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityMMedium Demand Velocity Items (consumables)
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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