Product Details | VALVE SEAT

4820-01-433-4438 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: 1305-016-4IN ITEM 13, 13050164INITEM13, 1305-034 4IN IT 13, 13050344INIT13, 2177917, 80321779170430, 803-2177917-04-30, 4820-01-433-4438, 01-433-4438, 4820014334438, 014334438

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 JUN 1996 01-433-4438

Drawings & Photos | NSN 4820-01-433-4438


Demand History | NSN 4820-01-433-4438

Part Number Request Date QTY Origin
4820-01-433-4438 2022-12-364 76 DIBBS
4820-01-433-4438 2022-12-353 76 DIBBS
4820-01-433-4438 2020-10-294 68 DIBBS
4820-01-433-4438 2020-09-268 5 DIBBS
4820-01-433-4438 2020-07-211 6 DIBBS
4820-01-433-4438 2020-02-42 56 DIBBS
4820-01-433-4438 2020-01-30 56 DIBBS
4820-01-433-4438 2019-02-38 42 DIBBS
4820-01-433-4438 2016-11-319 33 DIBBS
4820-01-433-4438 2012-03-89 18 DIBBS
4820-01-433-4438 2011-03-88 18 DIBBS
4820-01-433-4438 2010-06-168 7 DIBBS
4820-01-433-4438 2010-02-53 8 DIBBS
4820-01-433-4438 2009-05-140 4 DIBBS
4820-01-433-4438 2009-04-113 2 DIBBS

Cross Reference | NSN 4820-01-433-4438

Part Number Cage Code Manufacturer
1305-016-4IN ITEM 13 76374 EATON CORPORATION DBA FLUID POWER DIV USE CAGE CODE
1305-034 4IN IT 13 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
2177917 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177917-04-30 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-433-4438

Characteristic Specifications
STYLE DESIGNATOR B11 PLAIN
OVERALL HEIGHT 0.688 INCHES NOMINAL
BODY OUTSIDE DIAMETER 4.801 INCHES MINIMUM AND 4.813 INCHES MAXIMUM
BODY INSIDE DIAMETER 3.938 INCHES NOMINAL
MATERIAL NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A494, GRADE M30H ASSN STD SINGLE MATERIAL RESPONSE SEAT
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 4.813 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 12 SINGLE THREADED PORTION
THREAD CLASS 3A SINGLE THREADED PORTION
III END ITEM IDENTIFICATION 170 FT PATROL COASTAL (PC-1) CLASS SHIPS

Restrictions/Controls & Freight Information | NSN 4820-01-433-4438

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 4820-01-433-4438

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each