NSN 4820-00-226-5551 629L20S170, 00-226-5551, 002265551
Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-00-226-5551 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: 629L20S170, 4820-00-226-5551, 00-226-5551, 4820002265551, 002265551
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1961 | 00-226-5551 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
Drawings & Photos | NSN 4820-00-226-5551
Cross Reference | NSN 4820-00-226-5551
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 629L20S170 | 15939 | STRATOTECH CORP DBA STRATOTECH COPRORATION |
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Technical Data | NSN 4820-00-226-5551
| Characteristic | Specifications |
|---|---|
| BODY STYLE | B1 SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY |
| OUTSIDE SURFACE TREATMENT | ANODIZED |
| SEAT MATERIAL | PLASTIC |
| FLOW CONTROL DEVICE | DISK, FLAT |
| FLOW CONTROL DEVICE MATERIAL | PLASTIC |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | RECESSED FLANGE |
| FIRST END STYLE DESIGNATOR | M7 RECESSED |
| FIRST END RECESS DIAMETER | 0.665 INCHES NOMINAL |
| FIRST END RECESS DEPTH | 0.045 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | 6 OVAL |
| FIRST END BOLT HOLE QUANTITY | 2 |
| FIRST END FLANGE THICKNESS | 0.156 INCHES NOMINAL |
| FIRST END FLANGE LENGTH | 1.302 INCHES NOMINAL |
| FIRST END FLANGE WIDTH | 1.000 INCHES NOMINAL |
| FIRST END FLANGE END RADIUS | 0.500 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.095 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 0.800 INCHES NOMINAL |
| MAXIMUM OPERATING PRESSURE | NOT RATED |
| MEDIA FOR WHICH DESIGNED | AIR |
| TEMP RATING | NOT RATED |
| OPENING PRESSURE SETTING | NOT RATED |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| DISK LOADING METHOD | SPRING |
| ABSOLUTE PRESSURE SETTING | NOT RATED |
| FURNISHED ITEMS | GASKET |
Restrictions/Controls & Freight Information | NSN 4820-00-226-5551
| 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: | 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 |
|---|---|---|
| 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 | 594 | unknown |
| Originating Activity Code | XX | |
| 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 | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-00-226-5551
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |