Product Details | SAFETY RELIEF VALVE

4820-01-350-0174 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: 1W2834, 4AB, 9Y611 IT 1, 9Y611IT1, 4820-01-350-0174, 01-350-0174, 4820013500174, 013500174

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 DEC 1991 01-350-0174

Drawings & Photos | NSN 4820-01-350-0174


Demand History | NSN 4820-01-350-0174

Part Number Request Date QTY Origin
1W2834 2021-05-143 127 DIBBS
4AB 2021-05-143 127 DIBBS
9Y611 IT 1 2021-05-143 127 DIBBS
4820-01-350-0174 2018-10-298 27 DIBBS
4820-01-350-0174 2017-05-130 6 DIBBS
4820-01-350-0174 2016-06-181 1 DIBBS
4820-01-350-0174 2016-05-136 9 DIBBS
4820-01-350-0174 2016-02-38 1 DIBBS
4820-01-350-0174 2016-02-33 3 DIBBS
4820-01-350-0174 2015-12-350 1 DIBBS
4820-01-350-0174 2015-03-69 9 DIBBS
4820-01-350-0174 2014-12-364 4 DIBBS
4820-01-350-0174 2013-04-112 1 DIBBS
4820-01-350-0174 2013-03-86 1 DIBBS
4820-01-350-0174 2012-06-154 1 DIBBS
4820-01-350-0174 2011-04-110 1 DIBBS
4820-01-350-0174 2011-04-94 1 DIBBS

Cross Reference | NSN 4820-01-350-0174

Part Number Cage Code Manufacturer
1W2834 11083 CATERPILLAR INC. DBA CATERPILLAR
4AB 54188 PENN-TROY MFG INC
9Y611 IT 1 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 4820-01-350-0174

Characteristic Specifications
MATERIAL STEEL BODY
STYLE DESIGNATOR C8A STRAIGHT THRU FLANGED ENDS
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 0.413 INCHES ALL ENDS
NOMINAL THICKNESS 0.374 INCHES ALL ENDS
BOLT HOLE QUANTITY 6 ALL ENDS
OPENING PRESSURE SETTING 1.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-350-0174

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 4820-01-350-0174

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 CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each