Product Details | VALVE SEAT

4820-01-287-0979 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: 5000000600, 500000-0600, 500000060004J1, 500000-0600-04J1, 5152S26H184, 5152-S26H-184, 8031385541, 803-1385541, 4820-01-287-0979, 01-287-0979, 4820012870979, 012870979

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 OCT 1988 01-287-0979

Drawings & Photos | NSN 4820-01-287-0979


Demand History | NSN 4820-01-287-0979

Part Number Request Date QTY Origin
8031385541 2019-11-305 1 US

Cross Reference | NSN 4820-01-287-0979

Part Number Cage Code Manufacturer
500000-0600 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
500000-0600-04J1 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
500000-0600-04J1 91643 SERVICE BRASS & ALUMINUM FOUNDRY CO. INC.
5152-S26H-184 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
803-1385541 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-287-0979

Characteristic Specifications
OVERALL HEIGHT 1.750 INCHES NOMINAL
BODY INSIDE DIAMETER 6.875 INCHES NOMINAL
MATERIAL NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-288/B FED SPEC SINGLE MATERIAL RESPONSE SEAT
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 7.750 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 12 SINGLE THREADED PORTION
THREAD CLASS 2B SINGLE THREADED PORTION
THREAD LENGTH 0.625 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURES VALVE SIZE 6IN.

Restrictions/Controls & Freight Information | NSN 4820-01-287-0979

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 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 4820-01-287-0979

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