4820-00-287-4622, VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4622

Federal Supply Class:
4820

National Item Identification Number:
002874622

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Manufacturer Information:

1/2IN-150-132PSIG-AIR	14915	JAYCO INCORPORATED
1227 1-2X76-175	37239	LUNKENHEIMER CO
150-1-2X76T0175PSI	14915	JAYCO INCORPORATED
150-1-2X76TO175PSI	14915	JAYCO INCORPORATED
2476-427PCV27	96169	ELECTRIC BOAT CORPORATION
2476-427PCV50	96169	ELECTRIC BOAT CORPORATION
282-4900-801741REVAPCV19	53711	NAVAL SEA SYSTEMS COMMAND
282-4900-801751PCV19	53711	NAVAL SEA SYSTEMS COMMAND
282-4900-801751PCV19	80064	NAVAL SHIP SYSTEMS COMMAND
282-4900-801751REVAPCV19	80064	NAVAL SHIP SYSTEMS COMMAND
2476-437PCV30	96169	ELECTRIC BOAT CORPORATION
2476-437PCV49	96169	ELECTRIC BOAT CORPORATION
2476-453PCV17	96169	ELECTRIC BOAT CORPORATION
2476-483PCV28	96169	ELECTRIC BOAT CORPORATION
282-4900-801834REVCPCV27	53711	NAVAL SEA SYSTEMS COMMAND
282-4900-801835REVCPCV19	53711	NAVAL SEA SYSTEMS COMMAND
296-71471PCV13	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795693PCV28	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795693PCV63	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795711PCV1039	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795756PCV39	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795756PCV45	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795756PCV45	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795756PCV39	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795711PCV1039	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795693PCV63	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795693PCV28	80064	NAVAL SHIP SYSTEMS COMMAND
282-4900-801835REVCPCV19	80064	NAVAL SHIP SYSTEMS COMMAND
296-4900-71471PCV13	80064	NAVAL SHIP SYSTEMS COMMAND
282-4900-801834REVCPCV27	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795756PCV876	53711	NAVAL SEA SYSTEMS COMMAND
362-4900-795762PCV1153	53711	NAVAL SEA SYSTEMS COMMAND
385-4900-1225413ALT5PCV15	53711	NAVAL SEA SYSTEMS COMMAND
386388PCV27	53711	NAVAL SEA SYSTEMS COMMAND
38681PCV27	53711	NAVAL SEA SYSTEMS COMMAND
386389PCV13	53711	NAVAL SEA SYSTEMS COMMAND
416-3801-162020PCV7	53711	NAVAL SEA SYSTEMS COMMAND
416-4900-162067PCV13	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235363PCV27	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235363PCV50	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235373PCV30	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235373PCV49	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235389PCV17	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-483676PCV28	53711	NAVAL SEA SYSTEMS COMMAND
435-4900-235389PCV17	80064	NAVAL SHIP SYSTEMS COMMAND
435-4900-235373PCV49	80064	NAVAL SHIP SYSTEMS COMMAND
435-4900-235373PCV30	80064	NAVAL SHIP SYSTEMS COMMAND
435-4900-235363PCV50	80064	NAVAL SHIP SYSTEMS COMMAND
435-4900-235363PCV27	80064	NAVAL SHIP SYSTEMS COMMAND
416-4900-162067PCV13	80064	NAVAL SHIP SYSTEMS COMMAND
416-3801-162020PCV7	80064	NAVAL SHIP SYSTEMS COMMAND
386389PCV13	80064	NAVAL SHIP SYSTEMS COMMAND
386388PCV27	80064	NAVAL SHIP SYSTEMS COMMAND
385-4900-1225413ALT5PCV15	80064	NAVAL SHIP SYSTEMS COMMAND
386381PCV27	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795762PCV1153	80064	NAVAL SHIP SYSTEMS COMMAND
362-4900-795756PCV876	80064	NAVAL SHIP SYSTEMS COMMAND
405-228PCV27	81316	PORTSMOUTH NAVAL SHIPYARD
412-228PCV27	81316	PORTSMOUTH NAVAL SHIPYARD
413-228PCV13	81316	PORTSMOUTH NAVAL SHIPYARD
413-292PCV13	81316	PORTSMOUTH NAVAL SHIPYARD
413-381PC13	81316	PORTSMOUTH NAVAL SHIPYARD
547P13PCV13	14921	CRAMP SHIPBUILDING AND DRYDOCK CO
547P13PPCV13	14921	CRAMP SHIPBUILDING AND DRYDOCK CO
559P13PCV13	14921	CRAMP SHIPBUILDING AND DRYDOCK CO
490986PCV13	53711	NAVAL SEA SYSTEMS COMMAND
490160CSPCV13	53711	NAVAL SEA SYSTEMS COMMAND
490986CSPCV13	53711	NAVAL SEA SYSTEMS COMMAND
490986CSPCV13	80064	NAVAL SHIP SYSTEMS COMMAND
490160CSPCV13	80064	NAVAL SHIP SYSTEMS COMMAND
490986PCV13	80064	NAVAL SHIP SYSTEMS COMMAND
435-4900-483676PCV28	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC OR
	MANUAL
MATERIAL	COPPER ALLOY BODY
	STEEL STEM
FLOW CONTROL DEVICE	DISK OR
	STEM
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	132.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE	THREADED EXTERNAL PIPE 1ST END
	THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) 1ST END
	PLAIN (PIPE) 2ND END
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES 1ST END
	0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR	NPT 1ST END
	NPT 2ND END
NOMINAL THREAD SIZE	0.500 INCHES 1ST END
	0.500 INCHES 2ND END
THREAD DIRECTION	RIGHT-HAND 1ST END
	RIGHT-HAND 2ND END
BONNET TYPE	INSIDE SPRING
BONNET ATTACHMENT METHOD	THREADED
DISK LOADING METHOD	SPRING
OPENING PRESSURE SETTING	132.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED	VALVE STEM LOCK SHIELD AND
	PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES	AS DIFFERENTIATED BY PRESSURE

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