NSN 4820-01-342-0571 MILV24332, MIL-V-24332, 20347

Product Details | SAFETY RELIEF VALVE

4820-01-342-0571 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.

Part Alternates: MILV24332, MIL-V-24332, 20347, 20347D01E0091, 20347MS41M, 4820-01-342-0571, 01-342-0571, 4820013420571, 013420571

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	14 JUL 1991	01-342-0571	05488 ( VALVE, SAFETY RELIEF )

Drawings & Photos | NSN 4820-01-342-0571

Part Number	Request Date	QTY	Origin
MILV24332	2025-12-346	1	United States
4820-01-342-0571	2016-09-265	5	DIBBS
4820-01-342-0571	2016-05-131	3	DIBBS
4820-01-342-0571	2015-09-256	1	DIBBS
4820-01-342-0571	2015-06-172	1	DIBBS
4820-01-342-0571	2014-05-142	2	DIBBS
4820-01-342-0571	2014-05-131	2	DIBBS
4820-01-342-0571	2013-03-73	2	DIBBS
4820-01-342-0571	2012-08-243	5	DIBBS
4820-01-342-0571	2012-07-199	2	DIBBS
4820-01-342-0571	2012-03-68	2	DIBBS
4820-01-342-0571	2011-08-226	1	DIBBS
4820-01-342-0571	2010-12-343	2	DIBBS
4820-01-342-0571	2010-08-237	3	DIBBS

Cross Reference | NSN 4820-01-342-0571

Part Number	Cage Code	Manufacturer
20347	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20347D01E0091	15187	PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20347MS41M	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
MIL-V-24332	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Related Products | NSN 4820-01-342-0571

4820-01-342-0572, 4820-01-342-0576, 4820-01-342-0577, 4820-01-342-0625, 4820-01-342-0632

Technical Data | NSN 4820-01-342-0571

Characteristic	Specifications
MATERIAL	COPPER ALLOY 360 BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR	C1 ANGLE
FLOW CONTROL DEVICE	DISK
MAXIMUM OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	G30B SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	2.000 INCHES ALL ENDS
DISK LOADING METHOD	SPRING
ADJUSTABLE PRESSURE RANGE	91.0 TO 105.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
SPECIFICATION/STANDARD DATA	81349-MIL-V-24332 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA	B GRADE
III END ITEM IDENTIFICATION	NIMITZ CLASS CVN
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-V-24332

Restrictions/Controls & Freight Information | NSN 4820-01-342-0571

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	127220	PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating	P	77.5
Water commodity Code	594	unknown
Originating Activity Code	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 4820-01-342-0571

Navy

Category	Code	Description
Cognizance Codes	3B	Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each