NSN 4820-01-222-7812 559A4DB14, 559A-4DB-14, 807622
Product Details | SAFETY RELIEF VALVE
4820-01-222-7812 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: 559A4DB14, 559A-4DB-14, 807622, 8076221, 807622-1, 4820-01-222-7812, 01-222-7812, 4820012227812, 012227812
Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | 17 DEC 1985 | 01-222-7812 | 05488 ( VALVE, SAFETY RELIEF ) |
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Technical Data | NSN 4820-01-222-7812
Characteristic | Specifications |
---|---|
MATERIAL | ALUMINUM ALLOY 2024 BODY |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-25/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
SURFACE TREATMENT | ANODIZE |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
FLOW CONTROL DEVICE | DISK |
MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
VALVE OPERATION METHOD | AUTOMATIC |
CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
CONNECTION STYLE | PLAIN (TUBE) 1ST END |
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END |
THREAD SERIES DESIGNATOR | UNS ALL ENDS |
NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
THREAD QUANTITY PER INCH | 18 ALL ENDS |
THREAD CLASS | 3A 1ST END |
THREAD DIRECTION | RIGHT-HAND ALL ENDS |
OPENING PRESSURE SETTING | 14.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-222-7812
Category | Code | Description |
---|---|---|
Shelf-Life Code: | 0 | Nondeteriorative |
Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
Controlled Inventory Item Code: | U | UNCLASSIFIED |
Precious Metals Indicator Code: | A | Item 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 | 576 | 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 4820-01-222-7812
Category | Code | Description |
---|---|---|
Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
Agency | DN | Department of the Navy |
Service Organization | N | U.S. Navy |
Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
Controlled Item Code | U | UNCLASSIFIED |
Shelf Life Code | 0 | Nondeteriorative |
Purchasing | QTY UOM |
1 EA : Each |