4820-00-894-1052 VALVE,CHECK Index 5935-00-894-1056 CONNECTOR,PLUG,ELECTRICAL

National Stock Number:
4820-00-894-1054

Federal Supply Class:
4820

National Item Identification Number:
008941054

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:
255416PC3Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
255416PC3QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
255721PC4Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-150PC6QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
255721 PIECE 4Q313902NEWDELL COMPANY THE DBA LADISH VALVES
255721PC4Q343689HUNTINGTON INGALLS INC
2640-404X3PC4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-404X3PCQ303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-405X3PC4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-413X3PC4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-403X3PC4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-404X3PC496169ELECTRIC BOAT CORPORATION
2640-402X3 PIECE4Q396169ELECTRIC BOAT CORPORATION
2640-634X1PC396169ELECTRIC BOAT CORPORATION
2640-634X1PC3Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-634X1PC3QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-784X3 PIECE 5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-787X1 PIECE 35Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-787X3 PIECE 35Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X1PC7QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2PC 43Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2PC1QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2PC3QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2 PIECE3Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X2PC 4396169ELECTRIC BOAT CORPORATION
2640-801X2PC3QA96169ELECTRIC BOAT CORPORATION
2640-801X2 PIECE396169ELECTRIC BOAT CORPORATION
2640-787X3 PIECE 3596169ELECTRIC BOAT CORPORATION
2640-787X1 PIECE 3596169ELECTRIC BOAT CORPORATION
2640-784X3 PIECE 596169ELECTRIC BOAT CORPORATION
2641-402-06 PIECE 21Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2641-402-06 PIECE 21QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-810-04 ITEM 5Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2641-405-11 ITEM 57Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2641-801X2 PIECE 3QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
264140511-57Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
7383858-264140511-57Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-5486677 ITEM 14Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
H547-0001-264140511-57Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
RE-F49487 ITEM 2Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2050967 PIECE 4Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2050967 PIECE 4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2109805PC4Q303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2109805PC4QA03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2050967 PIECE 453711NAVAL SEA SYSTEMS COMMAND
7383858-264140511-5753711NAVAL SEA SYSTEMS COMMAND
845-5486677 ITEM 1480064NAVAL SHIP SYSTEMS COMMAND
RE-F49487 ITEM 280064NAVAL SHIP SYSTEMS COMMAND
SS845-2050947 PIECE 4Q380064NAVAL SHIP SYSTEMS COMMAND
SS845-2109805PC480064NAVAL SHIP SYSTEMS COMMAND
2640-810-04 ITEM 596169ELECTRIC BOAT CORPORATION
H547-0001-26414096169ELECTRIC BOAT CORPORATION
264140511-5796169ELECTRIC BOAT CORPORATION
2641-402-06 PIECE 2196169ELECTRIC BOAT CORPORATION
2641-403X1PC79QA96169ELECTRIC BOAT CORPORATION
2641-405-01PIECE63QA96169ELECTRIC BOAT CORPORATION


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
HARDNESS RATING75.0 ROCKWELL M NOMINAL OVERALL
MATERIALPLASTIC POLYAMIDE (NYLON) OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL
SEAT RADIUS0.281 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL


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