Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-202-8462 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: 14160NC, L1W, L-1W, LIW, 4820-01-202-8462, 01-202-8462, 4820012028462, 012028462

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 MAR 1985 01-202-8462

Demand History | NSN 4820-01-202-8462

Part Number Request Date QTY Origin
4820-01-202-8462 2018-11-333 3 DIBBS
4820-01-202-8462 2015-01-05 2 DIBBS
4820-01-202-8462 2013-04-106 3 DIBBS
4820-01-202-8462 2011-08-231 10 DIBBS
4820-01-202-8462 2011-08-226 2 DIBBS
4820-01-202-8462 2011-08-213 8 DIBBS

Cross Reference | NSN 4820-01-202-8462

Part Number Cage Code Manufacturer
14160NC 39425 MCNAB, INCORPORATED
L-1W 39425 MCNAB, INCORPORATED
LIW 39425 MCNAB, INCORPORATED

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Technical Data | NSN 4820-01-202-8462

Characteristic Specifications
BODY MATERIAL BRONZE
END CONNECTION QUANTITY 2
TEMP ADJUSTABILITY NOT ADJUSTABLE
TEMP RATING -70.0 DEG FAHRENHEIT 400.0 DEG FAHRENHEIT
SPECIAL FEATURES LEVEL ONE REQUIREMENTS WAIVED FOR THIS ITEM

Restrictions/Controls & Freight Information | NSN 4820-01-202-8462

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 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 4820-01-202-8462

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 CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
AY : Assembly