Product Details | VALVE SEAT

4820-01-231-9004 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: 51177J, 51177-J, 51188J, 51188-J, 803438453684X13, 803-4384536-84X-13, 4820-01-231-9004, 01-231-9004, 4820012319004, 012319004

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 MAY 1986 01-231-9004

Drawings & Photos | NSN 4820-01-231-9004


Cross Reference | NSN 4820-01-231-9004

Part Number Cage Code Manufacturer
51177-J 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
51188-J 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
803-4384536-84X-13 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-231-9004

Characteristic Specifications
BODY INSIDE DIAMETER 2.0489 INCHES NOMINAL
THREAD CLASS 3A SINGLE THREADED PORTION
MATERIAL DOCUMENT AND CLASSIFICATION ASTM-B-164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR B5 PLAIN THREADED
HARDNESS RATING NOT RATED
MATERIAL NICKEL ALLOY OVERALL
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 2.625 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 18 SINGLE THREADED PORTION
OVERALL HEIGHT 0.500 INCHES NOMINAL
THREAD LENGTH 0.375 INCHES NOMINAL SINGLE THREADED PORTION
SEATING SURFACE SHAPE FLAT

Restrictions/Controls & Freight Information | NSN 4820-01-231-9004

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 594 unknown
Originating Activity Code ZA Australia
ZB
ZC
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 4820-01-231-9004

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