NSN 4820-01-057-4138 D40HUU-09 1/2 X 1/2, D40HUU0912X12, D40UU-09 1/2IN

Product Details | SAFETY RELIEF VALVE

4820-01-057-4138 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: D40HUU-09 1/2 X 1/2, D40HUU0912X12, D40UU-09 1/2IN, D40UU0912IN, 20CS169171T200PSI, 20-CS-169-171T200PSI, 9520, 4820-01-057-4138, 01-057-4138, 4820010574138, 010574138

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	12 MAR 1978	01-057-4138	05488 ( VALVE, SAFETY RELIEF )

Drawings & Photos | NSN 4820-01-057-4138

Part Number	Request Date	QTY	Origin
4820-01-057-4138	2015-05-10	10	DIBBS
4820-01-057-4138	2015-02-25	7	DIBBS
4820-01-057-4138	2014-10-26	7	DIBBS
4820-01-057-4138	2014-03-27	30	DIBBS
4820-01-057-4138	2014-03-12	30	DIBBS
4820-01-057-4138	2014-01-22	6	DIBBS
4820-01-057-4138	2013-09-09	10	DIBBS
4820-01-057-4138	2013-07-21	5	DIBBS
4820-01-057-4138	2013-07-16	5	DIBBS
4820-01-057-4138	2013-07-04	5	DIBBS
4820-01-057-4138	2013-06-20	5	DIBBS
4820-01-057-4138	2013-04-15	2	DIBBS
4820-01-057-4138	2013-03-12	5	DIBBS
4820-01-057-4138	2013-01-31	6	DIBBS
4820-01-057-4138	2013-01-25	0	DIBBS
4820-01-057-4138	2013-01-03	0	DIBBS
4820-01-057-4138	2012-12-13	6	DIBBS
4820-01-057-4138	2012-05-04	6	DIBBS
4820-01-057-4138	2012-03-15	7	DIBBS
4820-01-057-4138	2012-02-08	9	DIBBS
4820-01-057-4138	2010-12-16	7	DIBBS
4820-01-057-4138	2010-11-01	6	DIBBS
4820-01-057-4138	2010-10-28	8	DIBBS
4820-01-057-4138	2010-09-07	6	DIBBS
4820-01-057-4138	2009-12-10	4	DIBBS
4820-01-057-4138	2009-10-21	5	DIBBS
4820-01-057-4138	2009-06-10	6	DIBBS
4820-01-057-4138	2009-04-15	3	DIBBS
4820-01-057-4138	2009-01-29	9	DIBBS
4820-01-057-4138	2008-10-10	20	DIBBS

Cross Reference | NSN 4820-01-057-4138

Part Number	Cage Code	Manufacturer
20-CS-169-171T200PSI	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9520	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Related Products | NSN 4820-01-057-4138

4820-01-057-4153, 4820-01-057-4155, 4820-01-057-4157, 4820-01-057-4159, 4820-01-057-4160

Technical Data | NSN 4820-01-057-4138

Characteristic	Specifications
MATERIAL	COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY ASTM 283-56 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM B164,CLASS C ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR	C1 ANGLE
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	WATER, FRESH SINGLE RESPONSE
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	G20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES 1ST END
DISK LOADING METHOD	SPRING
ADJUSTABLE PRESSURE RANGE	171.0 TO 200.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION	SHIP, OHIO CLASS SSN(TRIDENT)

Restrictions/Controls & Freight Information | NSN 4820-01-057-4138

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:	U	Precious metal type is unknown
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	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-057-4138

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of 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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each