4820-00-118-1462, SEAT,VALVE

National Stock Number:
4820-00-118-1462

Federal Supply Class:
4820

National Item Identification Number:
001181462

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular 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.

Manufacturer Information:

2620-926X1PC14TEN1 1-2IN	16626	CIRCOR INTL INC
2620-926X1PC14TEN1 1-2IN	35795	LESLIE CONTROLS, INC.
2620-926X1PC14TEN1 1-2IN	96169	ELECTRIC BOAT CORPORATION
2620-926X1PC14TEN1 1-2INQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X1PC14TFN1 1-2INQA	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X3PC14TFN1 1-2IN	16626	CIRCOR INTL INC
2620-926X3PC14TFN1 1-2IN	35795	LESLIE CONTROLS, INC.
2620-926X3PC14TFN1 1-2IN	96169	ELECTRIC BOAT CORPORATION
2620-926X3PC14TFN1 1-2INQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X3PC14TFN1 1-2INQA	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2621-926-01PC16-1-1-2IN	16626	CIRCOR INTL INC
2621-926-01PC16-1-1-2IN	35795	LESLIE CONTROLS, INC.
2621-926-01PC16-1-1-2IN	96169	ELECTRIC BOAT CORPORATION
2621-926-01PC16-1-1-2INQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2621-926-01PC16-1-1-2INQA	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-5001003-X7XX-04	53711	NAVAL SEA SYSTEMS COMMAND
803-5001003-X7XX-04QA	53711	NAVAL SEA SYSTEMS COMMAND
803-5001003-X7XX-04QAQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110237PC14TFN1 1-2IN	80064	NAVAL SHIP SYSTEMS COMMAND
SS845-2110237PC14TFN1 1-2INQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110237PC14TFN1 1-2INQA	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC14TFN1 1-2INQ3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC14TFN1 1-2INQA	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC1TFN1 1-2IN	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BODY INSIDE DIAMETER	1.500 INCHES NOMINAL
BODY OUTSIDE DIAMETER	2.552 INCHES MINIMUM AND 2.557 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION	ZZZY
FLANGE DIAMETER	2.802 INCHES MINIMUM AND 2.807 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT	0.160 INCHES NOMINAL
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	ITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
SEAT ANGLE IN DEG	35.000 NOMINAL
SEATING SURFACE SHAPE	ANGULAR
STYLE DESIGNATOR	PLAIN FLANGED
UNDER FLANGE HEIGHT	0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM

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