NSN 4520-00-203-9793 00-203-9793, 002039793
Product Details | STEAM AIR VENTING VALVE
4520-00-203-9793 An automatic valve designed to relieve, automatically, accumulated air in various types of steam heating systems.
Part Alternates: 4520-00-203-9793, 00-203-9793, 4520002039793, 002039793
Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 45 | 01 JAN 1963 | 00-203-9793 | 04906 ( VALVE, AIR VENTING, STEAM ) |
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Technical Data | NSN 4520-00-203-9793
| Characteristic | Specifications |
|---|---|
| VALVE CONNECTION SIZE | 0.750 INCHES |
| VALVE TYPE | STEAM RADIATOR AIR VENT |
| MAXIMUM OPERATING PRESSURE | 10.0 POUNDS PER SQUARE INCH |
| VALVE WATER PRESSURE POSITION | OPEN |
| VALVE AIR RETURN PREVENTION | REQUIRED |
| VALVE SHAPE | STRAIGHT |
| MATERIAL | BRASS |
| SURFACE TREATMENT | NICKEL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
Restrictions/Controls & Freight Information | NSN 4520-00-203-9793
| 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. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| 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 |
|---|---|---|
| No Freight Information | ||