NSN 4820-01-121-9873 1856M-1/2, 1856M12, 1896-1/2
Product Details | SAFETY RELIEF VALVE
4820-01-121-9873 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: 1856M-1/2, 1856M12, 1896-1/2, 189612, 7804015, 7804015102, 7804015-102, 4820-01-121-9873, 01-121-9873, 4820011219873, 011219873
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 12 NOV 1981 | 01-121-9873 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-121-9873
Cross Reference | NSN 4820-01-121-9873
Request a Quote
What Our Customers Say
Thank you very much for the excellent service and professional customer care.
The service was excellent. I can think of no improvements to date that you can make regarding internet sales.
The representative for WBParts was efficient & handled our request in a timely & professional manner.
Tried two other sources, neither of them responded, was all done online, never spoke to anyone.
The response is quick and the price is often very good. We are completely satisfied.
Compare
Related Products | NSN 4820-01-121-9873
Technical Data | NSN 4820-01-121-9873
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 836 BODY COPPER ALLOY 360 FLOW CONTROL DEVICE COPPER ALLOY 360 STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | GAS, INERT SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G46B PLAIN 1ST END G9 PLAIN 2ND END |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| OPENING PRESSURE SETTING | 300.0 POUNDS PER SQUARE INCH |
| MANUFACTURERS CODE | 92003 |
| MFR SOURCE CONTROLLING REFERENCE | 7804015-102 |
Restrictions/Controls & Freight Information | NSN 4820-01-121-9873
| 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 | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 671 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |