4820-00-288-7831 VALVE,SAFETY RELIEF Index 4820-00-288-7841 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-288-7836

Federal Supply Class:
4820

National Item Identification Number:
002887836

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:
2076-16ALT6PCV78596169ELECTRIC BOAT CORPORATION
2076-16ALT6PCV87696169ELECTRIC BOAT CORPORATION
2076-308PCV66896169ELECTRIC BOAT CORPORATION
2076-37ALT7PCV115396169ELECTRIC BOAT CORPORATION
2076-97ALT8PCV103996169ELECTRIC BOAT CORPORATION
2076-97ALT8PCV104796169ELECTRIC BOAT CORPORATION
214-4900-799264PCV115353711NAVAL SEA SYSTEMS COMMAND
214-4900-799264REV3PCV115353711NAVAL SEA SYSTEMS COMMAND
214-4900-799264PCV115380064NAVAL SHIP SYSTEMS COMMAND
214-4900-799251PCV66880064NAVAL SHIP SYSTEMS COMMAND
214-4900-799251REVBPCV66880064NAVAL SHIP SYSTEMS COMMAND
214-4900-799254PC87680064NAVAL SHIP SYSTEMS COMMAND
214-4900-799254PCV87680064NAVAL SHIP SYSTEMS COMMAND
2076-97ALT8PCV106296169ELECTRIC BOAT CORPORATION
222-4900-232701PCV68853711NAVAL SEA SYSTEMS COMMAND
214-4900-799268PCV103953711NAVAL SEA SYSTEMS COMMAND
222-4900-232701PCV66853711NAVAL SEA SYSTEMS COMMAND
271-4900-957265ALT2PCV87653711NAVAL SEA SYSTEMS COMMAND
271-4900-957265PCV87053711NAVAL SEA SYSTEMS COMMAND
214-4900-799264REV3PCV115380064NAVAL SHIP SYSTEMS COMMAND
271-4900-957265ALT2PCV87680064NAVAL SHIP SYSTEMS COMMAND
222-4900-232701PCV66880064NAVAL SHIP SYSTEMS COMMAND
214-4900-799268PCV103980064NAVAL SHIP SYSTEMS COMMAND
222-4900-232701PCV68880064NAVAL SHIP SYSTEMS COMMAND
2476-06ALT15M0DIFICATI0N4PCV62496169ELECTRIC BOAT CORPORATION
2476-06ALT15M0DIFICATI0N4PCV63496169ELECTRIC BOAT CORPORATION
2476-16ALT27M0DIFICATI0N5PCV83896169ELECTRIC BOAT CORPORATION
2476-16ALT27M0DIFICATI0N5PCV87196169ELECTRIC BOAT CORPORATION
2476-32ALT8PCV101596169ELECTRIC BOAT CORPORATION
2476-37ALT11PC114096169ELECTRIC BOAT CORPORATION
271-4900-958181ALTAPCV66853711NAVAL SEA SYSTEMS COMMAND
271-4900-958181ALTAPCV68853711NAVAL SEA SYSTEMS COMMAND
271-4900-958181PCV104753711NAVAL SEA SYSTEMS COMMAND
271-4900-958181PCV106253711NAVAL SEA SYSTEMS COMMAND
271-4900-958181PCV66853711NAVAL SEA SYSTEMS COMMAND
271-4900-958581PCV103953711NAVAL SEA SYSTEMS COMMAND
271-4900-958581PCV68853711NAVAL SEA SYSTEMS COMMAND
271-4900-958581PCV106253711NAVAL SEA SYSTEMS COMMAND
313-4900-223400PCV62453711NAVAL SEA SYSTEMS COMMAND
313-4900-223400PCV63453711NAVAL SEA SYSTEMS COMMAND
313-4900-233405ALT11PCV114053711NAVAL SEA SYSTEMS COMMAND
313-4900-233405PCV114053711NAVAL SEA SYSTEMS COMMAND
319-4900-1188487ALT1PCV91253711NAVAL SEA SYSTEMS COMMAND
319-4900-1188487ALT1PCV91280064NAVAL SHIP SYSTEMS COMMAND
313-4900-233405PCV114080064NAVAL SHIP SYSTEMS COMMAND
271-4900-957265PCV87080064NAVAL SHIP SYSTEMS COMMAND
313-4900-233405ALT11PCV114080064NAVAL SHIP SYSTEMS COMMAND
313-4900-223400PCV63480064NAVAL SHIP SYSTEMS COMMAND
313-4900-223400PCV62480064NAVAL SHIP SYSTEMS COMMAND
271-4900-958581PCV106280064NAVAL SHIP SYSTEMS COMMAND
271-4900-958581PCV68880064NAVAL SHIP SYSTEMS COMMAND
271-4900-958581PCV103980064NAVAL SHIP SYSTEMS COMMAND
271-4900-958181PCV66880064NAVAL SHIP SYSTEMS COMMAND
271-4900-958181PCV106280064NAVAL SHIP SYSTEMS COMMAND
271-4900-958181PCV104780064NAVAL SHIP SYSTEMS COMMAND
271-4900-958181ALTAPCV68880064NAVAL SHIP SYSTEMS COMMAND
271-4900-958181ALTAPCV66880064NAVAL SHIP SYSTEMS COMMAND
3076-08PCV2196169ELECTRIC BOAT CORPORATION
3076-08PCV2896169ELECTRIC BOAT CORPORATION
3076-10PCV2696169ELECTRIC BOAT CORPORATION
3076-12PCV396169ELECTRIC BOAT CORPORATION
3076-14PCV1796169ELECTRIC BOAT CORPORATION
44-1-2-76-17537239LUNKENHEIMER CO
533115ALT27M0DIFICATI0N5PCV83853711NAVAL SEA SYSTEMS COMMAND
389669PCV106253711NAVAL SEA SYSTEMS COMMAND
389669PCV103953711NAVAL SEA SYSTEMS COMMAND
389669PCV104753711NAVAL SEA SYSTEMS COMMAND
389609PCV115353711NAVAL SEA SYSTEMS COMMAND
389669ALT8PCV103953711NAVAL SEA SYSTEMS COMMAND
389669ALT8PCV104753711NAVAL SEA SYSTEMS COMMAND
389669ALT8PCV106253711NAVAL SEA SYSTEMS COMMAND
340-4900-1000937PCV1353711NAVAL SEA SYSTEMS COMMAND
319-4900-1188487PCV91253711NAVAL SEA SYSTEMS COMMAND
389588ALT6PCV78553711NAVAL SEA SYSTEMS COMMAND
389588ALT6PCV87653711NAVAL SEA SYSTEMS COMMAND
389588PCV78553711NAVAL SEA SYSTEMS COMMAND
389588PCV87653711NAVAL SEA SYSTEMS COMMAND
389609ALT7PCV115353711NAVAL SEA SYSTEMS COMMAND
533115ALT27MODIFICATION5PCV83853711NAVAL SEA SYSTEMS COMMAND
533115ALT27MODIFICATION5PCV87153711NAVAL SEA SYSTEMS COMMAND
533115PCV83853711NAVAL SEA SYSTEMS COMMAND
533115ALT27M0DIFICATI0N5PCV87153711NAVAL SEA SYSTEMS COMMAND
533115PCV87153711NAVAL SEA SYSTEMS COMMAND
533131ALT8PCV101553711NAVAL SEA SYSTEMS COMMAND
533131PCV101553711NAVAL SEA SYSTEMS COMMAND
571-3801-1302533PCV1253711NAVAL SEA SYSTEMS COMMAND
571-3801-1302533REVAPCV1253711NAVAL SEA SYSTEMS COMMAND
571-3801-1302723PCV553711NAVAL SEA SYSTEMS COMMAND
571-3801-1302723REVBPCV553711NAVAL SEA SYSTEMS COMMAND
571-4900-1302763PCV2153711NAVAL SEA SYSTEMS COMMAND
571-4900-1302763REVAPCV2153711NAVAL SEA SYSTEMS COMMAND
575-4900-1442961PCV1753711NAVAL SEA SYSTEMS COMMAND
575-4900-1442961REVBPCV1753711NAVAL SEA SYSTEMS COMMAND
575-4900-1442961PCV1780064NAVAL SHIP SYSTEMS COMMAND
571-4900-1302763REVAPCV2180064NAVAL SHIP SYSTEMS COMMAND
571-4900-1302763PCV2180064NAVAL SHIP SYSTEMS COMMAND
571-3801-1302723REVBPCV580064NAVAL SHIP SYSTEMS COMMAND
571-3801-1302723PCV580064NAVAL SHIP SYSTEMS COMMAND
571-3801-1302533REVAPCV1280064NAVAL SHIP SYSTEMS COMMAND
571-3801-1302533PCV1280064NAVAL SHIP SYSTEMS COMMAND
533131PCV101580064NAVAL SHIP SYSTEMS COMMAND
533131ALT8PCV101580064NAVAL SHIP SYSTEMS COMMAND
533115PCV87180064NAVAL SHIP SYSTEMS COMMAND
533115ALT27M0DIFICATI0N5PCV87180064NAVAL SHIP SYSTEMS COMMAND
533115PCV83880064NAVAL SHIP SYSTEMS COMMAND
389609ALT7PCV115380064NAVAL SHIP SYSTEMS COMMAND
389588PCV87680064NAVAL SHIP SYSTEMS COMMAND
389588PCV78580064NAVAL SHIP SYSTEMS COMMAND
389588ALT6PCV87680064NAVAL SHIP SYSTEMS COMMAND
389588ALT6PCV78580064NAVAL SHIP SYSTEMS COMMAND
319-4900-1188487PCV91280064NAVAL SHIP SYSTEMS COMMAND
340-4900-1000937PCV1380064NAVAL SHIP SYSTEMS COMMAND
389669ALT8PCV106280064NAVAL SHIP SYSTEMS COMMAND
389669ALT8PCV104780064NAVAL SHIP SYSTEMS COMMAND
389669ALT8PCV103980064NAVAL SHIP SYSTEMS COMMAND
389609PCV115380064NAVAL SHIP SYSTEMS COMMAND
389669PCV104780064NAVAL SHIP SYSTEMS COMMAND
389669PCV103980064NAVAL SHIP SYSTEMS COMMAND
389669PCV106280064NAVAL SHIP SYSTEMS COMMAND
533115ALT27M0DIFICATI0N5PCV83880064NAVAL SHIP SYSTEMS COMMAND
3664-71REVAPCV1296169ELECTRIC BOAT CORPORATION
3664-77REVBPCV596169ELECTRIC BOAT CORPORATION
3676-12REVAPCV2196169ELECTRIC BOAT CORPORATION
3776-10PCV1796169ELECTRIC BOAT CORPORATION
3776-10REVBPCV1796169ELECTRIC BOAT CORPORATION
3376-12-1PCV91296169ELECTRIC BOAT CORPORATION
FIG44-1-237239LUNKENHEIMER CO
K1-4900-1000248ALT1PCV2180064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000248ALT1PCV2880064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000248PCV2180064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000248PCV2880064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000250ALT8PCV680064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000250PCV2680064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000252ALT6PCV380064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000254ALT7PCV1780064NAVAL SHIP SYSTEMS COMMAND
K1-4900-1000254PCV1780064NAVAL SHIP SYSTEMS COMMAND
575-4900-1442961REVBPCV1780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE274.0 POUNDS PER HOUR
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (PIPE) 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE76.0 TO 175.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND
BONNET PACKING AND
PRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY VALVE SIZE AND RELIEF PRESSURE RANGE
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCEK1-4900-1000250PCV26


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