Product Details | SAFETY RELIEF VALVE

4820-01-127-8205 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: BAMAA04MCC-1/2, BAMAA04MCC12, BAMAA04MCC30T34, BAMAA04MCC-30T34, BAMAA04MCCA017, BAMAA04MCC-A017, 20213FS41M, 20213M01E0030, 4820-01-127-8205, 01-127-8205, 4820011278205, 011278205

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 MAR 1982 01-127-8205

Drawings & Photos | NSN 4820-01-127-8205


Demand History | NSN 4820-01-127-8205

Part Number Request Date QTY Origin
4820-01-127-8205 2011-05-123 1 DIBBS
4820-01-127-8205 2010-10-301 4 DIBBS
4820-01-127-8205 2009-07-210 4 DIBBS
4820-01-127-8205 2008-01-25 18 US

Cross Reference | NSN 4820-01-127-8205

Part Number Cage Code Manufacturer
20213FS41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20213FS41M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20213M01E0030 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20213M01E0030 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
BAMAA04MCC-1/2 65079 DANCO VALVE COMPANY
BAMAA04MCC-30T34 65079 DANCO VALVE COMPANY
BAMAA04MCC-A017 5P967 DANTE VALVE COMPANY INC
BAMAA04MCC-A017 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-127-8205

Characteristic Specifications
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE STEM
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE 335.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT 1ST RESPONSE 250.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G30B SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 23.0 TO 45.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 2 NUT AND 2 TAILPIECE
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION LOS ANGELES CLASS SSN (688)

Restrictions/Controls & Freight Information | NSN 4820-01-127-8205

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820-01-127-8205

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
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