NSN 4820-01-522-4757 P21018, 01-522-4757, 015224757
Product Details | OXYGEN SYSTEM CHECK VALVE
4820-01-522-4757 An item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also VALVE, CHECK; VALVE, STOP-CHECK.
Part Alternates: P21018, 4820-01-522-4757, 01-522-4757, 4820015224757, 015224757
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 30 JUL 2004 | 01-522-4757 | 37942 ( VALVE, CHECK, OXYGEN SYSTEM ) |
Drawings & Photos | NSN 4820-01-522-4757
Cross Reference | NSN 4820-01-522-4757
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P21018 | 52713 | PACIFIC PRECISION PRODUCTS MFG. DBA PACIFIC PRECISION PRODUCTS |
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Related Products | NSN 4820-01-522-4757
Technical Data | NSN 4820-01-522-4757
| Characteristic | Specifications |
|---|---|
| MATERIAL | RUBBER SILICONE CLASS Q FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | A6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | OXYGEN, LIQUID SINGLE RESPONSE AIR 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 140.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | B42 FLARED ALL ENDS |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.312 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 20 ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET ATTACHMENT METHOD | THREADED |
| MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT |
| END ITEM IDENTIFICATION | ASTOR AIRBORNE RADAR SYSTEMS |
Restrictions/Controls & Freight Information | NSN 4820-01-522-4757
| 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 | ||