NSN 4820-01-420-3993 TA77015152, TA770-15-15-2, TA7701515R
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-420-3993 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: TA77015152, TA770-15-15-2, TA7701515R, TA770-15-15-R, 4820-01-420-3993, 01-420-3993, 4820014203993, 014203993
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 16 OCT 1995 | 01-420-3993 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
Drawings & Photos | NSN 4820-01-420-3993
Demand History | NSN 4820-01-420-3993
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| TA770-15-15-R | 2020-08-223 | 313 | DIBBS |
| TA770-15-15-R | 2020-07-211 | 313 | DIBBS |
| TA770-15-15-R | 2020-07-188 | 313 | DIBBS |
| TA770-15-15-R | 2020-06-175 | 313 | DIBBS |
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Related Products | NSN 4820-01-420-3993
Technical Data | NSN 4820-01-420-3993
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A46 SINGLE CONNECTION STRAIGHT THRU |
| BODY MATERIAL | ALUMINUM |
| FLOW CONTROL DEVICE | DISK, FLAT |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | J10 EXTERNAL SEAT FOR GASKET SEAL |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END THREAD SERIES DESIGNATOR | UNS |
| FIRST END NOMINAL THREAD SIZE | 2.000 INCHES |
| MAXIMUM OPERATING PRESSURE | 3.0 POUNDS PER SQUARE INCH |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
Restrictions/Controls & Freight Information | NSN 4820-01-420-3993
| Category | Code | Description |
|---|---|---|
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents 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 |
|---|---|---|
| No Freight Information | ||