Product Details | SAFETY RELIEF VALVE

4820-01-508-4081 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: M0192A, LL1552, LL-1552, LL-1552 REV B MODEL M0192A, LL1552REVBMODELM0192A, 4820-01-508-4081, 01-508-4081, 4820015084081, 015084081

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 MAY 2003 01-508-4081

Demand History | NSN 4820-01-508-4081

Part Number Request Date QTY Origin
M0192A 2024-04-95 7 DIBBS
LL-1552 REV B MODEL M0192A 2022-01-12 3 DIBBS
M0192A 2022-01-12 3 DIBBS
LL-1552 REV B MODEL M0192A 2021-12-339 1 DIBBS
M0192A 2021-12-339 1 DIBBS
LL-1552 REV B MODEL M0192A 2021-09-255 1 DIBBS
M0192A 2021-09-255 1 DIBBS
LL-1552 REV B MODEL M0192A 2021-09-252 1 DIBBS
M0192A 2021-09-252 1 DIBBS
LL-1552 REV B MODEL M0192A 2021-04-98 2 DIBBS
M0192A 2021-04-98 2 DIBBS
4820-01-508-4081 2018-07-185 2 DIBBS
4820-01-508-4081 2018-05-151 1 DIBBS

Cross Reference | NSN 4820-01-508-4081

Part Number Cage Code Manufacturer
LL-1552 55107 OLMSTED PRODUCTS COMPANY LLC
LL-1552 REV B MODEL M0192A 55107 OLMSTED PRODUCTS COMPANY LLC
M0192A 55107 OLMSTED PRODUCTS COMPANY LLC

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Technical Data | NSN 4820-01-508-4081

Characteristic Specifications
MATERIAL STEEL BODY
FLOW CONTROL DEVICE PLUG
VALVE OPERATION METHOD AUTOMATIC
MOUNTING FACILITY THREADED FASTENER
SPECIAL FEATURES USED AS A 2ND STAGE RELIEF VALVE SUB-ASSY ON SV115 PRIMARY RELIEF VALVE; LIKE 4820-01-185-6666 IN ALL WAYS EXCEPT INCLUDES ORIFICE PLUG AND SEAL PLATE.
III PART NAME ASSIGNED BY CONTROLLING AGENCY RELIEF CONTROL HEAD VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-508-4081

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-01-508-4081

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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
EA : Each