Product Details | SAFETY RELIEF VALVE

4820-01-236-5974 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: BBSAA04SEE, D48663 1IN, D486631IN, D50854, R10AF1F108, R10AF1F108BM1, R10AF1F108-BM1, 4820-01-236-5974, 01-236-5974, 4820012365974, 012365974

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 JUL 1986 01-236-5974

Drawings & Photos | NSN 4820-01-236-5974


Demand History | NSN 4820-01-236-5974

Part Number Request Date QTY Origin
D50854 2024-06-169 4 DIBBS
D50854 2024-06-156 4 DIBBS
D50854 2024-05-141 3 DIBBS
D50854 2024-05-136 3 DIBBS
D50854 2024-04-95 2 DIBBS
D50854 2022-07-191 1 DIBBS
D50854 2021-12-336 1 DIBBS
D50854 2021-11-325 1 DIBBS
4820-01-236-5974 2016-03-82 4 DIBBS
4820-01-236-5974 2015-10-278 2 DIBBS
4820-01-236-5974 2015-09-250 3 DIBBS
4820-01-236-5974 2015-07-196 2 DIBBS
4820-01-236-5974 2009-12-348 1 DIBBS
4820-01-236-5974 2009-11-322 5 DIBBS
4820-01-236-5974 2009-09-254 1 DIBBS

Cross Reference | NSN 4820-01-236-5974

Part Number Cage Code Manufacturer
BBSAA04SEE 5P967 DANTE VALVE COMPANY INC
BBSAA04SEE 65079 DANCO VALVE COMPANY
D48663 1IN 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
D50854 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AF1F108 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AF1F108-BM1 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 4820-01-236-5974

Characteristic Specifications
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B-61 ASSN STD 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 C1 ANGLE
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE 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 1.000 INCHES ALL ENDS
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 27.0 TO 33.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION SPRUANCE CLASS DD (963)

Restrictions/Controls & Freight Information | NSN 4820-01-236-5974

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: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 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 4820-01-236-5974

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
EA : Each