NSN 4820-01-011-6156 639XB242, 639XB2-4-2, 6507
Product Details | SAFETY RELIEF VALVE
4820-01-011-6156 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: 639XB242, 639XB2-4-2, 6507, 4820-01-011-6156, 01-011-6156, 4820010116156, 010116156
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 26 OCT 1975 | 01-011-6156 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-011-6156
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 4820-01-011-6156
Technical Data | NSN 4820-01-011-6156
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY STEEL COMP 303 FLOW CONTROL DEVICE RUBBER SYNTHETIC SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE BODY FED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G42 FLARED ALL ENDS |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 35.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 10.0 TO 50.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-011-6156
| 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 | ||