NSN 4820-01-205-0487 NMP171 51T70PSI, NMP171 51T70PSI MODIFIED SPG, NMP17151T70PSI
Product Details | SAFETY RELIEF VALVE
4820-01-205-0487 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: NMP171 51T70PSI, NMP171 51T70PSI MODIFIED SPG, NMP17151T70PSI, NMP17151T70PSIMODIFIEDSPG, L2120C AND NMP17, L2120C AND NMP171 51T70PSI MOD, L2120CANDNMP17, L2120CANDNMP17151T70PSIMOD, L2210C AND NMP608 51T70PSI MOD, L2210CANDNMP60851T70PSIMOD, MILV24332, MIL-V-24332, MIL-V-24332 GRB, MILV24332GRB, MILV24332GRB2IN150PSI51T70PSIG, 4820-01-205-0487, 01-205-0487, 4820012050487, 012050487
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 04 APR 1985 | 01-205-0487 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-205-0487
Demand History | NSN 4820-01-205-0487
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MILV24332 | 2025-12-346 | 1 | United States |
| 4820-01-205-0487 | 2018-05-141 | 15 | DIBBS |
| 4820-01-205-0487 | 2018-05-130 | 15 | DIBBS |
| 4820-01-205-0487 | 2018-05-126 | 14 | DIBBS |
| 4820-01-205-0487 | 2018-03-87 | 1 | DIBBS |
| 4820-01-205-0487 | 2018-03-87 | 2 | DIBBS |
| 4820-01-205-0487 | 2018-03-64 | 1 | DIBBS |
Cross Reference | NSN 4820-01-205-0487
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| L2120C AND NMP17 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| L2120C AND NMP171 51T70PSI MOD | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| L2120C AND NMP171 51T70PSI MOD | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| L2210C AND NMP608 51T70PSI MOD | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| MIL-V-24332 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| MIL-V-24332 GRB | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| MILV24332GRB2IN150PSI51T70PSIG | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| NMP171 51T70PSI | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| NMP171 51T70PSI MODIFIED SPG | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| NMP171 51T70PSI MODIFIED SPG | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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Related Products | NSN 4820-01-205-0487
Technical Data | NSN 4820-01-205-0487
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY NICKEL ALLOY STEM |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 70.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G30B SOCKET WITH BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 51.0 TO 70.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 TAILPIECE |
| III END ITEM IDENTIFICATION | COMBAT SYSTEM SUPPORT EQUIPMENT |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-V-24332 |
| MANUFACTURERS CODE | 15187 |
| DESIGN CONTROL REFERENCE | NMP171 51T70PSI |
Restrictions/Controls & Freight Information | NSN 4820-01-205-0487
| 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. |
| 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 |
|---|---|---|
| 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 | 594 | unknown |
| Originating Activity Code | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 4820-01-205-0487
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |