Product Details | VALVE SEAT

4820-01-143-1574 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: 2002909, 20-02909, 2002909QA, 20-02909QA, 20-03540 PIECE 4, 20-03540 PIECE 4QA, 2003540PIECE4, 2003540PIECE4QA, 4820-01-143-1574, 01-143-1574, 4820011431574, 011431574

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 NOV 1982 01-143-1574

Cross Reference | NSN 4820-01-143-1574

Part Number Cage Code Manufacturer
20-02909 03670 TYCO FIRE PRODUCTS, LP DBA TYCO FIRE SUPPRESSION & BUILDING
20-02909QA 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
20-03540 PIECE 4 03670 TYCO FIRE PRODUCTS, LP DBA TYCO FIRE SUPPRESSION & BUILDING
20-03540 PIECE 4QA 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-143-1574

Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE FLANGE
MATERIAL DOCUMENT AND CLASSIFICATION DUPONT ZYTEL 101 MFR REF SINGLE MATERIAL RESPONSE FLANGE
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY ASSURANCE TESTED FOR THE SUBMARINE SAFETY PROGRAM
MANUFACTURERS CODE 03670
DESIGN CONTROL REFERENCE 20-02909

Restrictions/Controls & Freight Information | NSN 4820-01-143-1574

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:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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
No Freight Information

Management | NSN 4820-01-143-1574

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg
Special Material IDQAEquipments/Parts requiring special material control and quality assurance which support surface or submarine application.
Source of SupplyN35Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each