NSN 4820-12-374-7747 555.173.1, 5551731, 12-374-7747
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-12-374-7747 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: 555.173.1, 5551731, 4820-12-374-7747, 12-374-7747, 4820123747747, 123747747
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 12-374-7747 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
Demand History | NSN 4820-12-374-7747
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 555.173.1 | 2025-08-233 | 173 | DIBBS |
| 555.173.1 | 2019-04-115 | 156 | DIBBS |
| 4820-12-374-7747 | 2018-05-151 | 150 | DIBBS |
| 4820-12-374-7747 | 2018-03-84 | 55 | DIBBS |
| 4820-12-374-7747 | 2012-08-228 | 8 | DIBBS |
| 4820-12-374-7747 | 2012-03-67 | 10 | DIBBS |
| 4820-12-374-7747 | 2011-07-190 | 7 | DIBBS |
| 4820-12-374-7747 | 2011-02-33 | 6 | DIBBS |
| 4820-12-374-7747 | 2010-09-250 | 5 | DIBBS |
| 4820-12-374-7747 | 2010-07-212 | 1 | DIBBS |
| 4820-12-374-7747 | 2010-07-207 | 1 | DIBBS |
| 4820-12-374-7747 | 2010-07-182 | 1 | DIBBS |
| 4820-12-374-7747 | 2010-05-144 | 5 | DIBBS |
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Restrictions/Controls & Freight Information | NSN 4820-12-374-7747
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||