4820-00-163-1259 VALVE,SAFETY RELIEF Index 4810-00-163-1261 STEM,VALVE

National Stock Number:
4810-00-163-1260

Federal Supply Class:
4810

National Item Identification Number:
001631260

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:
255584 PIECE 1943689HUNTINGTON INGALLS INC
255584 PIECE 19Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
255757 PIECE 543689HUNTINGTON INGALLS INC
255757 PIECE 5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
258760 ITEM 3243689HUNTINGTON INGALLS INC
258760 ITEM 32Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-80101-001996169ELECTRIC BOAT CORPORATION
2640-80101-0019Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X1PC1996169ELECTRIC BOAT CORPORATION
2640-801X1PC19Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-820-75 ITEM 10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-820X56PC2896169ELECTRIC BOAT CORPORATION
2640-820X56PC28Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2642-820-75 ITEM1096169ELECTRIC BOAT CORPORATION
2642-820-75 ITEM10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2642-820-86 ITEM 1096169ELECTRIC BOAT CORPORATION
2642-820-86 ITEM 10L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2642-820-86 ITEM 10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558731 ITEM 2280064NAVAL SHIP SYSTEMS COMMAND
845-4558731 ITEM 2296169ELECTRIC BOAT CORPORATION
845-4558731 ITEM 22Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4687600 ITEM 1096169ELECTRIC BOAT CORPORATION
845-4687600 ITEM 10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-5580474 ITEM 1053711NAVAL SEA SYSTEMS COMMAND
845-5580474 ITEM 1080064NAVAL SHIP SYSTEMS COMMAND
845-5580474 ITEM 10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-5580474 ITEM10Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-5580582 ITEM 1053711NAVAL SEA SYSTEMS COMMAND
845-5580582 ITEM 10 L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BODY OUTSIDE DIAMETER2.463 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER1.718 INCHES NOMINAL SECOND STEP
BODY STEPPED INSIDE DIAMETER1.989 INCHES NOMINAL THIRD STEP
BODY STEPPED INSIDE DIAMETER1.562 INCHES NOMINAL FIRST STEP
CRITICALITY CODE JUSTIFICATIONZZZY
OVERALL HEIGHT0.3125 INCHES NOMINAL
MATERIALPLASTIC OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKINGS ON THE MATERIAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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