4820-01-075-6588, SEAT,VALVE

National Stock Number:
4820-01-075-6588

Federal Supply Class:
4820

National Item Identification Number:
010756588

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:

12620-902X6	65371	SEIFERT NDT APPARATUS AND SUPPLY SALES INC
2620-902	96169	ELECTRIC BOAT CORPORATION
2620-902 ASSYC PC4 1 1-2IN	96169	ELECTRIC BOAT CORPORATION
2620-902X6	53711	NAVAL SEA SYSTEMS COMMAND
4SS845-1889568	67636	LITHO DEVELOPMENT AND RESEARCH
4SS845-1889568ASSYCPC4 1 1/2IN	67636	LITHO DEVELOPMENT AND RESEARCH
4SS845-1889568ASSYCPC4 1/2IN	67636	LITHO DEVELOPMENT AND RESEARCH
803-2177934	53711	NAVAL SEA SYSTEMS COMMAND
803-2177934	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177934-7XX-19	53711	NAVAL SEA SYSTEMS COMMAND
803-2177934-X7XX-19	80064	NAVAL SHIP SYSTEMS COMMAND
SS845-1889568	76364	MILWAUKEE VALVE CO, INC
SS845-1889568AS	53711	NAVAL SEA SYSTEMS COMMAND
SS845-1889568ASSYCPC4 1 1/2IN	76364	MILWAUKEE VALVE CO, INC
SS845-1889587	80064	NAVAL SHIP SYSTEMS COMMAND
SS845-1889587ASSYC PC4 1 1-2IN	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BODY INSIDE DIAMETER	1.500 INCHES NOMINAL
FLANGE DIAMETER	2.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT	0.247 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY OVERALL
NOMINAL THREAD SIZE	1.938 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG	45.000 NOMINAL
SEATING SURFACE SHAPE	ANGULAR
STYLE DESIGNATOR	THREADED FLANGED
THREAD CLASS	3A SINGLE THREADED PORTION
THREAD LENGTH	0.406 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH	18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR	UNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT	0.406 INCHES NOMINAL

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