Product Details | SAFETY RELIEF VALVE

4820-01-131-0229 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: 20138, 20138C51, 20138C51SS, 20138C51SS CDS A15750, 20138C51SSCDSA15750, 20183, 20183LM41M, 2038501E0015, 20385A01E0005, 20385A01E0015, 4820-01-131-0229, 01-131-0229, 4820011310229, 011310229

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 MAY 1982 01-131-0229

Drawings & Photos | NSN 4820-01-131-0229


Demand History | NSN 4820-01-131-0229

Part Number Request Date QTY Origin
2013802S0015 2025-03-85 7 DIBBS
20138C51SS CDS A15750 2025-03-85 7 DIBBS
2013802S0015 2025-02-36 7 DIBBS
20138C51SS CDS A15750 2025-02-36 7 DIBBS
2013802S0015 2025-01-16 3 DIBBS
20138C51SS CDS A15750 2025-01-16 3 DIBBS
2013802S0015 2024-10-298 1 DIBBS
20138C51SS CDS A15750 2024-10-298 1 DIBBS
2013802S0015 2024-09-262 7 DIBBS
20138C51SS CDS A15750 2024-09-262 7 DIBBS
2013802S0015 2024-09-249 1 DIBBS
20138C51SS CDS A15750 2024-09-249 1 DIBBS
2013802S0015 2024-08-233 5 DIBBS
20138C51SS CDS A15750 2024-08-233 5 DIBBS
2013802S0015 2024-05-144 3 DIBBS
20138C51SS CDS A15750 2024-05-144 3 DIBBS
2013802S0015 2024-05-133 3 DIBBS
20138C51SS CDS A15750 2024-05-133 3 DIBBS
2013802S0015 2024-01-25 3 DIBBS
20138C51SS CDS A15750 2024-01-25 3 DIBBS
2013802S0015 2023-03-67 2 DIBBS
20138C51SS CDS A15750 2023-03-67 2 DIBBS
2013802S0015 2023-02-33 2 DIBBS
20138C51SS CDS A15750 2023-02-33 2 DIBBS
2013802S0015 2022-09-262 1 DIBBS
20138C51SS CDS A15750 2022-09-262 1 DIBBS
2013802S0015 2020-03-78 12 DIBBS
20138C51SS CDS A15750 2020-03-78 12 DIBBS
2013802S0015 2020-01-17 7 DIBBS
20138C51SS CDS A15750 2020-01-17 7 DIBBS
2013802S0015 2019-09-267 7 DIBBS
20138C51SS CDS A15750 2019-09-267 7 DIBBS
2013802S0015 2019-09-256 5 DIBBS
20138C51SS CDS A15750 2019-09-256 5 DIBBS
2013802S0015 2019-08-232 5 DIBBS
20138C51SS CDS A15750 2019-08-232 5 DIBBS
2013802S0015 2019-07-192 4 DIBBS
20138C51SS CDS A15750 2019-07-192 4 DIBBS
2013802S0015 2019-07-191 7 DIBBS
20138C51SS CDS A15750 2019-07-191 7 DIBBS
2013802S0015 2019-05-122 14 DIBBS
20138C51SS CDS A15750 2019-05-122 14 DIBBS
20138C51SS CDS A15750 2019-03-80 2 DIBBS
20138C51SS CDS A15750 2019-01-03 2 DIBBS
4820-01-131-0229 2018-10-298 14 DIBBS
4820-01-131-0229 2018-10-281 4 DIBBS
4820-01-131-0229 2018-09-249 2 DIBBS
4820-01-131-0229 2018-08-239 10 DIBBS
4820-01-131-0229 2018-08-221 4 DIBBS
4820-01-131-0229 2018-07-212 6 DIBBS
4820-01-131-0229 2018-06-158 2 DIBBS
4820-01-131-0229 2016-03-82 10 DIBBS
4820-01-131-0229 2016-01-11 10 DIBBS
4820-01-131-0229 2015-07-204 2 DIBBS
4820-01-131-0229 2015-05-137 5 DIBBS
4820-01-131-0229 2013-10-276 6 DIBBS
4820-01-131-0229 2013-07-190 6 DIBBS
4820-01-131-0229 2012-12-345 2 DIBBS
4820-01-131-0229 2012-12-339 4 DIBBS
4820-01-131-0229 2012-11-331 6 DIBBS
4820-01-131-0229 2012-10-290 2 DIBBS
4820-01-131-0229 2011-08-216 1 US
4820-01-131-0229 2011-08-215 5 DIBBS
4820-01-131-0229 2011-07-189 5 DIBBS
4820-01-131-0229 2011-06-153 4 DIBBS
4820-01-131-0229 2008-11-316 3 DIBBS

Cross Reference | NSN 4820-01-131-0229

Part Number Cage Code Manufacturer
20138 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20138C51 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20138C51SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20138C51SS CDS A15750 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20183 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20183LM41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20183LM41M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
2038501E0015 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20385A01E0005 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20385A01E0005 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20385A01E0015 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20385A01E0015 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-131-0229

Characteristic Specifications
MATERIAL STEEL BODY STEEL COMP 304 FLOW CONTROL DEVICE STEEL COMP 304 SEAT STEEL COMP 304 STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE SEAT ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.250 INCHES
VALVE SIZE 0.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER 3.500 INCHES ALL ENDS
NOMINAL THICKNESS 0.376 INCHES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 1.375 INCHES ALL ENDS
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
ADJUSTABLE PRESSURE RANGE 15.0 TO 19.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION NIMITZLASS CVN

Restrictions/Controls & Freight Information | NSN 4820-01-131-0229

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 671 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 4820-01-131-0229

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