NSN 4820-01-220-7680 1035A0011, 622RG, 01-220-7680
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-220-7680 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
Part Alternates: 1035A0011, 622RG, 4820-01-220-7680, 01-220-7680, 4820012207680, 012207680
Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | 19 NOV 1985 | 01-220-7680 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
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Technical Data | NSN 4820-01-220-7680
Characteristic | Specifications |
---|---|
BODY STYLE | SINGLE CONNECTION STRAIGHT THRU |
BODY MATERIAL | ALUMINUM |
OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625 |
FLOW CONTROL DEVICE | POPPET |
END CONNECTION QUANTITY | 1 |
FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL |
FIRST END THREAD CLASS | 3A |
FIRST END THREAD DIRECTION | RIGHT-HAND |
FIRST END THREAD SERIES DESIGNATOR | UNF |
FIRST END NOMINAL THREAD SIZE | 0.750 INCHES |
MAXIMUM OPERATING PRESSURE | 3.0 POUNDS PER SQUARE INCH |
TEMP RATING | 160.0 DEG FAHRENHEIT |
OPENING PRESSURE SETTING | 1.5 POUNDS PER SQUARE INCH |
VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
VALVE RELIEF DESIGN TYPE | PRESSURE |
DISK LOADING METHOD | SPRING |
FURNISHED ITEMS | GASKET AND |
Restrictions/Controls & Freight Information | NSN 4820-01-220-7680
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 | 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 4820-01-220-7680
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 | Z | INSURANCE/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 Code | U | UNCLASSIFIED |
Shelf Life Code | 0 | Nondeteriorative |
Purchasing | QTY UOM |
1 EA : Each |