NSN 4820-00-781-9630 12008802, 158G5181, 1L1001V0EC

Product Details | SAFETY RELIEF VALVE

4820-00-781-9630 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: 12008802, 158G5181, 1L1001V0EC, 1L10-01-V-0-E-C, 1L10F40, 1L10-F-40, 1L10F40S, 1L10F40SV, 1L10-F-40SV, 52W175913, 52-W-1759-13, 52W229913, 52-W-2299-13, 593030, 59303-0, 6544C080, 4820-00-781-9630, 00-781-9630, 4820007819630, 007819630

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	01 JAN 1960	00-781-9630	05488 ( VALVE, SAFETY RELIEF )

Drawings & Photos | NSN 4820-00-781-9630

Part Number	Request Date	QTY	Origin
1L10-01-V-0-E-C	2025-09-261	58	DIBBS
52-W-1759-13	2025-09-261	58	DIBBS
52-W-2299-13	2025-09-261	58	DIBBS
4820-00-781-9630	2024-08-222	1	US
4820-00-781-9630	2023-12-346	10	SG
1L10-01-V-0-E-C	2023-12-339	88	DIBBS
52-W-1759-13	2023-12-339	88	DIBBS
52-W-2299-13	2023-12-339	88	DIBBS
1L10-01-V-0-E-C	2021-11-308	63	DIBBS
52-W-1759-13	2021-11-308	63	DIBBS
52-W-2299-13	2021-11-308	63	DIBBS
1L10-01-V-0-E-C	2021-07-209	117	DIBBS
52-W-1759-13	2021-07-209	117	DIBBS
52-W-2299-13	2021-07-209	117	DIBBS
4820-00-781-9630	2021-04-95	5	United States
4820-00-781-9630	2021-03-88	10	United States
4820-00-781-9630	2021-03-60	55	PK
4820-00-781-9630	2021-02-39	10	US
4820-00-781-9630	2021-01-27	55	PK
1L10-01-V-0-E-C	2020-04-121	118	DIBBS
52-W-1759-13	2020-04-121	118	DIBBS
52-W-2299-13	2020-04-121	118	DIBBS
1L10-01-V-0-E-C	2019-07-189	213	DIBBS
52-W-1759-13	2019-07-189	213	DIBBS
52-W-2299-13	2019-07-189	213	DIBBS
1L10-01-V-0-E-C	2019-06-176	213	DIBBS
52-W-1759-13	2019-06-176	213	DIBBS
52-W-2299-13	2019-06-176	213	DIBBS
4820-00-781-9630	2018-07-205	1	US
4820-00-781-9630	2018-02-38	172	DIBBS
4820-00-781-9630	2017-09-257	20	CA
4820-00-781-9630	2017-04-103	150	DIBBS
4820-00-781-9630	2017-03-80	144	DIBBS
4820-00-781-9630	2016-07-202	122	DIBBS
4820-00-781-9630	2015-08-224	118	DIBBS
4820-00-781-9630	2013-12-349	116	DIBBS
4820-00-781-9630	2013-11-315	111	DIBBS
12008802	2013-02-51	5	AE
4820-00-781-9630	2013-01-11	5	Pakistan
4820-00-781-9630	2012-11-332	128	DIBBS
4820-00-781-9630	2009-02-42	20	US
4820-00-781-9630	2008-08-227	533	DIBBS

Cross Reference | NSN 4820-00-781-9630

Part Number	Cage Code	Manufacturer
12008802	19204	ARMY UNITED STATES DEPARTMENT OF THE
158G5181	24976	DANFOSS INC
158G5181	64294	DANFOSS FLUID POWER INC RACINE OPN
1L10-01-V-0-E-C	24976	DANFOSS INC
1L10-F-40	8Z296	DANFOSS FLUID POWER INC EASLEY OPN
1L10-F-40SV	64294	DANFOSS FLUID POWER INC RACINE OPN
1L10F40S	8Z296	DANFOSS FLUID POWER INC EASLEY OPN
52-W-1759-13	03111	BLISS E W CO GULF AND WESTERN MFG CO
52-W-1759-13	21439	ENGINEERED ARRESTING SYSTEMS CORPORATION
52-W-2299-13	03111	BLISS E W CO GULF AND WESTERN MFG CO
52-W-2299-13	21439	ENGINEERED ARRESTING SYSTEMS CORPORATION
59303-0	8Z296	DANFOSS FLUID POWER INC EASLEY OPN
6544C080	36334	INDAL TECHNOLOGIES INC

Request a Quote

What Our Customers Say

Thank you very much for the excellent service and professional customer care.

Ernie G. Honeywell

The service was excellent. I can think of no improvements to date that you can make regarding internet sales.

John L. Raytheon

The representative for WBParts was efficient & handled our request in a timely & professional manner.

Karen G. General Dynamics

Tried two other sources, neither of them responded, was all done online, never spoke to anyone.

Rex S. US Airforce

The response is quick and the price is often very good. We are completely satisfied.

Patricia S. NASA

Compare

NSNs for Compare ( up to 4 ): Add 4820-00-781-9630

Compare

Related Products | NSN 4820-00-781-9630

4820-00-781-9738, 4820-00-781-9933, 4820-00-782-1094, 4820-00-782-1095, 4820-00-782-1890

Technical Data | NSN 4820-00-781-9630

Characteristic	Specifications
MATERIAL	ALUMINUM ALLOY BODY
FLOW CONTROL DEVICE	DISK
MAXIMUM OPERATING PRESSURE	4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
DISK LOADING METHOD	SPRING
SPECIAL FEATURES	CARTRIDGE TYPE, PER SOURCE CONTROL DRAWING, OPERATION PRESSURE RANGES FROM 1000 TO 4000 +50 PSI
MANUFACTURERS CODE	19204
MFR SOURCE CONTROLLING REFERENCE	12008802

Restrictions/Controls & Freight Information | NSN 4820-00-781-9630

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	XX
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 4820-00-781-9630

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	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

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.
Materiel Management Aggregation Code	RN	TG:GROUND SUPPORT EQUIPMENT (FSC RESIDUAL MMAC)
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	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

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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

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	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