Product Details | SAFETY RELIEF VALVE

4820-01-428-1788 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: MM3130B11MS, MM-3130B-11M-S, MM3130B1TC11M, MM3130BTC11MS, MM-3130B-TC-11M-S, 4820-01-428-1788, 01-428-1788, 4820014281788, 014281788

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 MAR 1996 01-428-1788

Drawings & Photos | NSN 4820-01-428-1788


Demand History | NSN 4820-01-428-1788

Part Number Request Date QTY Origin
4820-01-428-1788 2015-09-08 1 DIBBS
4820-01-428-1788 2015-09-03 1 DIBBS
4820-01-428-1788 2015-01-29 1 DIBBS
4820-01-428-1788 2014-07-09 1 DIBBS
4820-01-428-1788 2014-05-20 1 DIBBS
4820-01-428-1788 2013-12-08 1 DIBBS
4820-01-428-1788 2012-10-05 1 DIBBS
4820-01-428-1788 2012-08-09 1 DIBBS
4820-01-428-1788 2011-10-06 1 DIBBS
4820-01-428-1788 2011-08-11 1 DIBBS
4820-01-428-1788 2011-07-09 1 DIBBS
4820-01-428-1788 2010-09-10 3 DIBBS

Cross Reference | NSN 4820-01-428-1788

Part Number Cage Code Manufacturer
MM-3130B-11M-S 21013 METREX VALVE CORP.
MM-3130B-TC-11M-S 21013 METREX VALVE CORP.
MM3130B1TC11M 21013 METREX VALVE CORP.

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Technical Data | NSN 4820-01-428-1788

Characteristic Specifications
MATERIAL BRONZE BODY NICKEL ALLOY FLOW CONTROL DEVICE RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING NICKEL ALLOY SEAT NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C8A STRAIGHT THRU FLANGED ENDS
FACE TO FACE DISTANCE 14.000 INCHES
VALVE SIZE 4.000 INCHES
MEDIA FOR WHICH DESIGNED WATER, FRESH 1ST RESPONSE WATER, SALT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 96.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AIR
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 7.687 INCHES ALL ENDS
NOMINAL THICKNESS 1.000 INCHES ALL ENDS
BOLT HOLE QUANTITY 8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.687 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 6.562 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
RENEWABLE SEAT RING TYPE THREADED
ADJUSTABLE PRESSURE RANGE 16.0 TO 96.0 POUNDS PER SQUARE INCH
MOUNTING FACILITY BRACKET
SPECIAL FEATURES ACTUATED BY R-114 REFRIGERANT PRESSURE THRU DIAPHRAGM PILOT ACTUATOR

Restrictions/Controls & Freight Information | NSN 4820-01-428-1788

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 4820-01-428-1788

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