NSN 4820-01-134-8371 62168, H844, 01-134-8371

Product Details | SAFETY RELIEF VALVE

4820-01-134-8371 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: 62168, H844, 4820-01-134-8371, 01-134-8371, 4820011348371, 011348371

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	10 JUL 1982	01-134-8371	05488 ( VALVE, SAFETY RELIEF )

Drawings & Photos | NSN 4820-01-134-8371

Part Number	Request Date	QTY	Origin
62168	2025-05-139	164	DIBBS
H844	2025-05-139	164	DIBBS
62168	2024-07-186	182	DIBBS
H844	2024-07-186	182	DIBBS
62168	2024-04-100	1	US
4820-01-134-8371	2024-03-67	174	DIBBS
H844	2023-07-187	148	DIBBS
H844	2023-06-159	46	DIBBS
H844	2020-05-140	272	DIBBS
H844	2020-02-54	272	DIBBS
H844	2019-04-118	48	DIBBS
H844	2019-04-97	45	DIBBS
4820-01-134-8371	2018-07-203	269	DIBBS
4820-01-134-8371	2018-07-201	1	United States
4820-01-134-8371	2018-07-183	214	DIBBS
4820-01-134-8371	2018-05-147	307	US
4820-01-134-8371	2018-05-147	307	DIBBS
4820-01-134-8371	2018-03-68	3	United States
4820-01-134-8371	2017-11-317	126	DIBBS
4820-01-134-8371	2016-12-363	200	DIBBS
4820-01-134-8371	2016-11-334	200	DIBBS
4820-01-134-8371	2016-11-313	200	DIBBS
4820-01-134-8371	2016-10-305	210	DIBBS
4820-01-134-8371	2016-10-278	3	Taiwan
4820-01-134-8371	2016-06-176	1	US
4820-01-134-8371	2016-04-109	220	DIBBS
4820-01-134-8371	2016-02-55	250	DIBBS
4820-01-134-8371	2016-02-34	221	DIBBS
4820-01-134-8371	2015-11-322	205	DIBBS
4820-01-134-8371	2015-08-243	1	MANUAL
H844	2015-08-243	1	US
4820-01-134-8371	2015-08-237	230	DIBBS
4820-01-134-8371	2015-06-172	230	DIBBS
4820-01-134-8371	2015-02-48	224	DIBBS
4820-01-134-8371	2014-10-293	283	DIBBS
4820-01-134-8371	2014-07-210	315	DIBBS
4820-01-134-8371	2014-07-191	1	DIBBS-RFPs
4820-01-134-8371	2014-05-149	287	DIBBS
4820-01-134-8371	2014-04-91	71	DIBBS
4820-01-134-8371	2013-02-43	435	DIBBS
4820-01-134-8371	2013-01-15	118	DIBBS
4820-01-134-8371	2012-12-353	97	DIBBS
4820-01-134-8371	2012-12-345	220	DIBBS
4820-01-134-8371	2012-09-245	293	DIBBS
4820-01-134-8371	2011-12-355	160	DIBBS
4820-01-134-8371	2011-12-343	32	us
4820-01-134-8371	2011-11-306	169	DIBBS

Cross Reference | NSN 4820-01-134-8371

Part Number	Cage Code	Manufacturer
62168	59211	PARKER-HANNIFIN CORPORATION DBA CUSTOMER SUPPORT MILITARY
62168	93835	PARKER-HANNIFIN CORPORATION DBA HYDRAULIC SYSTEMS DIVISION
H844	06239	AUSCO,INC.

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Related Products | NSN 4820-01-134-8371

4820-01-134-8559, 4820-01-134-8569, 4820-01-134-8648, 4820-01-134-8652, 4820-01-134-8711

Technical Data | NSN 4820-01-134-8371

Characteristic	Specifications
MATERIAL	ALUMINUM BODY
STYLE DESIGNATOR	C1 ANGLE
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE	7.0 GALLONS PER MINUTE
VALVE OPERATION METHOD	AUTOMATIC
CONNECTION TYPE	THREADED EXTERNAL BOSS 1ST END UNTHREADED EXTERNAL HOSE 2ND END
CONNECTION STYLE	G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END G63 BEADED 2ND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED	0.375 INCHES 2ND END
THREAD SERIES DESIGNATOR	UNJF 1ST END
NOMINAL THREAD SIZE	0.562 INCHES 1ST END
THREAD CLASS	3A 1ST END
THREAD DIRECTION	RIGHT-HAND 1ST END
OPENING PRESSURE SETTING	50.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES	WITH MANUAL OVERRIDE

Restrictions/Controls & Freight Information | NSN 4820-01-134-8371

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.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	127220	PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating	P	77.5
Less than truck load rating	P	77.5
Water commodity Code	671	unknown
Originating Activity Code	CT	U.S. Army Aviation and Missile Command (AIR) Redstone Arsenal, AL 35898-5230
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 4820-01-134-8371

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each