Product Details | SAFETY RELIEF VALVE

4820-01-421-0007 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: 5270731, 4820-01-421-0007, 01-421-0007, 4820014210007, 014210007

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 OCT 1995 01-421-0007

Demand History | NSN 4820-01-421-0007

Part Number Request Date QTY Origin
5270731 2025-11-310 48 DIBBS
5270731 2025-09-268 18 DIBBS
5270731 2025-04-114 34 DIBBS
5270731 2025-03-86 38 DIBBS
5270731 2024-10-305 19 DIBBS
5270731 2024-03-88 35 DIBBS
5270731 2024-01-25 28 DIBBS
5270731 2023-11-320 24 DIBBS
5270731 2023-07-194 21 DIBBS
5270731 2023-03-75 15 DIBBS
5270731 2023-01-12 22 DIBBS
5270731 2020-02-49 76 DIBBS
5270731 2020-02-41 220 DIBBS
5270731 2020-02-35 76 DIBBS
5270731 2020-01-26 220 DIBBS
5270731 2019-10-304 50 DIBBS
5270731 2019-10-293 50 DIBBS
4820-01-421-0007 2019-09-253 57 US
5270731 2019-09-249 57 DIBBS
5270731 2019-08-238 57 DIBBS
5270731 2019-07-192 39 DIBBS
5270731 2019-02-45 36 DIBBS
5270731 2019-02-34 36 DIBBS
4820-01-421-0007 2018-08-232 40 DIBBS
4820-01-421-0007 2018-08-221 40 DIBBS
4820-01-421-0007 2018-05-130 42 DIBBS
4820-01-421-0007 2017-11-306 37 DIBBS
4820-01-421-0007 2017-07-186 41 DIBBS
4820-01-421-0007 2017-06-166 25 DIBBS
4820-01-421-0007 2016-12-353 37 DIBBS
4820-01-421-0007 2016-05-130 46 DIBBS
4820-01-421-0007 2016-04-119 46 DIBBS
4820-01-421-0007 2015-10-279 41 DIBBS
4820-01-421-0007 2015-07-200 30 DIBBS
4820-01-421-0007 2015-05-137 37 DIBBS
4820-01-421-0007 2014-12-342 34 DIBBS
4820-01-421-0007 2014-12-335 45 DIBBS
4820-01-421-0007 2014-11-324 45 DIBBS
4820-01-421-0007 2014-08-226 41 DIBBS
4820-01-421-0007 2014-02-51 43 DIBBS
4820-01-421-0007 2013-11-332 28 DIBBS
4820-01-421-0007 2013-10-296 32 DIBBS
4820-01-421-0007 2013-06-156 24 DIBBS
4820-01-421-0007 2013-05-126 2 United States
4820-01-421-0007 2013-03-87 30 DIBBS
4820-01-421-0007 2012-10-278 33 DIBBS
4820-01-421-0007 2012-08-228 20 DIBBS
4820-01-421-0007 2012-05-131 3 US
4820-01-421-0007 2012-03-61 31 DIBBS
4820-01-421-0007 2012-01-03 17 DIBBS
4820-01-421-0007 2011-10-294 21 DIBBS
4820-01-421-0007 2011-06-166 17 DIBBS
4820-01-421-0007 2011-03-81 11 DIBBS
4820-01-421-0007 2010-09-265 18 DIBBS
4820-01-421-0007 2010-03-78 12 DIBBS
4820-01-421-0007 2009-10-296 57 DIBBS
4820-01-421-0007 2009-07-211 15 DIBBS
4820-01-421-0007 2009-03-89 12 DIBBS
4820-01-421-0007 2009-02-34 17 DIBBS
4820-01-421-0007 2008-12-340 28 DIBBS
4820-01-421-0007 2008-11-317 22 DIBBS

Cross Reference | NSN 4820-01-421-0007

Part Number Cage Code Manufacturer
5270731 50492 IDSC HOLDINGS DBA EQUISERV
5270731 71454 FMC TECHNOLOGIES INC DBA FMC FLUID CONTROL

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-421-0007

Technical Data | NSN 4820-01-421-0007

Characteristic Specifications
DISK LOADING METHOD SPRING
III END ITEM IDENTIFICATION 170' PATROL COASTAL (PC-1) CLASS SHIPS

Restrictions/Controls & Freight Information | NSN 4820-01-421-0007

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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 4820-01-421-0007

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each