NSN 4820-00-097-8172 MS28893C61900, 00-097-8172, 000978172
Product Details | SAFETY RELIEF VALVE
4820-00-097-8172 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: MS28893C61900, 4820-00-097-8172, 00-097-8172, 4820000978172, 000978172
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 29 MAY 1968 | 00-097-8172 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-097-8172
Cross Reference | NSN 4820-00-097-8172
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS28893C61900 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS |
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Technical Data | NSN 4820-00-097-8172
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SURFACE TREATMENT | PASSIVATE |
| STYLE DESIGNATOR | C8 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 7.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | G4 GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 1900.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 1400.0 TO 2300.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS28893C61900 |
Restrictions/Controls & Freight Information | NSN 4820-00-097-8172
| 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 |
|---|---|---|
| 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 |