Product Details | SAFETY RELIEF VALVE

4820-01-504-6111 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: CDS17085, 20261, 20261D02S0090/C, 20261D02S0090/CDS17085, 20261D02S0090C, 20261D02S0090CDS17085, 20261L51M, 4820-01-504-6111, 01-504-6111, 4820015046111, 015046111

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 FEB 2003 01-504-6111

Drawings & Photos | NSN 4820-01-504-6111


Demand History | NSN 4820-01-504-6111

Part Number Request Date QTY Origin
4820-01-504-6111 2015-10-08 2 DIBBS
4820-01-504-6111 2015-09-24 1 DIBBS

Cross Reference | NSN 4820-01-504-6111

Part Number Cage Code Manufacturer
20261 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20261D02S0090/C 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20261D02S0090/CDS17085 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20261L51M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
CDS17085 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-504-6111

Characteristic Specifications
MATERIAL BRONZE BODY NICKEL ALLOY 400 FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY 400 STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY QQ-N-281 CL.A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-288 CL.A FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-N-281 CL. A OR B FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 90.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 165.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 3168.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 90.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 76.0 TO 90.0 POUNDS PER SQUARE INCH
SPECIFICATION/STANDARD DATA 81349-MIL-V-22549 GOVERNMENT SPECIFICATION
III END ITEM IDENTIFICATION SEAWOLF CLASS SSN
III PART NAME ASSIGNED BY CONTROLLING AGENCY 2.5 IN. RELIEF VALVE TYPE 1751-T

Restrictions/Controls & Freight Information | NSN 4820-01-504-6111

Category Code Description
Shelf-Life Code:U96 months
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:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
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 4820-01-504-6111

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 Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life CodeU96 months
Purchasing QTY
UOM
1
EA : Each