NSN 4820-01-143-4571 TA77010CO5CR, TA770-10C-O5C-R, TA770700049
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-143-4571 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: TA77010CO5CR, TA770-10C-O5C-R, TA770700049, TA770-700049, 700049, 4820-01-143-4571, 01-143-4571, 4820011434571, 011434571
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 04 DEC 1982 | 01-143-4571 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
Drawings & Photos | NSN 4820-01-143-4571
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Technical Data | NSN 4820-01-143-4571
| Characteristic | Specifications |
|---|---|
| BODY STYLE | B3 SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY |
| OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| FLOW CONTROL DEVICE | ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| FIRST END STYLE DESIGNATOR | J10 EXTERNAL SEAT FOR GASKET SEAL |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MAXIMUM OPERATING PRESSURE | NOT RATED |
| TEMP RATING | NOT RATED |
| OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| ABSOLUTE PRESSURE SETTING | 0.5 |
| SPECIAL FEATURES | MANUAL RELEASE BUTTON |
Restrictions/Controls & Freight Information | NSN 4820-01-143-4571
| 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 | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |