NSN 4820-01-138-8953 M131001, M13-1001, 40-01006-01
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-138-8953 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: M131001, M13-1001, 40-01006-01, 46100601, 461006-01, 4820-01-138-8953, 01-138-8953, 4820011388953, 400100601, 011388953
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 22 SEP 1982 | 01-138-8953 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
Drawings & Photos | NSN 4820-01-138-8953
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Technical Data | NSN 4820-01-138-8953
| Characteristic | Specifications |
|---|---|
| BODY STYLE | B3 SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY |
| FLOW CONTROL DEVICE | DISK, FLAT |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | J6 PLAIN |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES NOMINAL |
| FIRST END THREAD CLASS | 2A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MAXIMUM OPERATING PRESSURE | 2.5 POUNDS PER SQUARE INCH |
| TEMP RATING | NOT RATED |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| DISK LOADING METHOD | SPRING |
Restrictions/Controls & Freight Information | NSN 4820-01-138-8953
| 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 | 576 | 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 |