NSN 4820-01-266-1322 NMP1550, NMP1550 OPTION-A, NMP1550 OPTION-A 26T33PSI
Product Details | SAFETY RELIEF VALVE
4820-01-266-1322 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: NMP1550, NMP1550 OPTION-A, NMP1550 OPTION-A 26T33PSI, NMP1550OPTIONA, NMP1550OPTIONA26T33PSI, DS10HSPNMP155, DS10HSPNMP1550, DS10HSPNMP1550OPTA26T33PSI, 4820-01-266-1322, 01-266-1322, 4820012661322, 012661322
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 21 OCT 1987 | 01-266-1322 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-266-1322
Demand History | NSN 4820-01-266-1322
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| DS10H-SP,NMP1550 | 2025-03-62 | 1 | DIBBS |
| NMP155001S0026 | 2025-03-62 | 1 | DIBBS |
| 4820-01-266-1322 | 2024-10-282 | 4 | US |
| DS10H-SP,NMP1550 | 2024-10-278 | 4 | DIBBS |
| NMP155001S0026 | 2024-10-278 | 4 | DIBBS |
| DS10H-SP,NMP1550 | 2024-07-194 | 4 | DIBBS |
| NMP155001S0026 | 2024-07-194 | 4 | DIBBS |
| DS10H-SP,NMP1550 | 2023-12-345 | 4 | DIBBS |
| NMP155001S0026 | 2023-12-345 | 4 | DIBBS |
| DS10H-SP,NMP1550 | 2023-11-331 | 3 | DIBBS |
| NMP155001S0026 | 2023-11-331 | 3 | DIBBS |
| DS10H-SP,NMP1550 | 2023-11-318 | 3 | DIBBS |
| NMP155001S0026 | 2023-11-318 | 3 | DIBBS |
| DS10H-SP,NMP1550 | 2023-09-250 | 1 | DIBBS |
| NMP155001S0026 | 2023-09-250 | 1 | DIBBS |
| DS10H-SP,NMP1550 | 2023-08-236 | 1 | DIBBS |
| NMP155001S0026 | 2023-08-236 | 1 | DIBBS |
| DS10H-SP,NMP1550 | 2023-04-107 | 2 | DIBBS |
| NMP155001S0026 | 2023-04-107 | 2 | DIBBS |
| DS10H-SP,NMP1550 | 2023-04-96 | 2 | DIBBS |
| NMP155001S0026 | 2023-04-96 | 2 | DIBBS |
| DS10H-SP,NMP1550 | 2023-03-86 | 1 | DIBBS |
| NMP155001S0026 | 2023-03-86 | 1 | DIBBS |
| DS10H-SP,NMP1550 | 2023-03-75 | 1 | DIBBS |
| NMP155001S0026 | 2023-03-75 | 1 | DIBBS |
| 4820-01-266-1322 | 2018-05-141 | 4 | DIBBS |
| 4820-01-266-1322 | 2018-03-74 | 5 | DIBBS |
| 4820-01-266-1322 | 2018-03-61 | 1 | DIBBS |
| 4820-01-266-1322 | 2018-02-51 | 2 | DIBBS |
| 4820-01-266-1322 | 2018-02-43 | 1 | DIBBS |
| 4820-01-266-1322 | 2018-01-07 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-12-362 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-11-334 | 2 | DIBBS |
| 4820-01-266-1322 | 2017-09-255 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-07-186 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-06-166 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-04-107 | 1 | DIBBS |
| 4820-01-266-1322 | 2017-04-96 | 1 | DIBBS |
| 4820-01-266-1322 | 2014-01-06 | 2 | DIBBS |
| 4820-01-266-1322 | 2014-01-02 | 1 | DIBBS |
| 4820-01-266-1322 | 2013-12-351 | 1 | DIBBS |
| 4820-01-266-1322 | 2011-03-75 | 3 | DIBBS |
Cross Reference | NSN 4820-01-266-1322
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| DS10H-SP,NMP155 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| DS10H-SP,NMP1550 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| DS10H-SP,NMP1550 OPT-A26T33PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| DS10H-SP,NMP1550 OPT-A26T33PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| NMP1550 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| NMP1550 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| NMP1550 OPTION-A | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| NMP1550 OPTION-A 26T33PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| NMP1550 OPTION-A 26T33PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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Related Products | NSN 4820-01-266-1322
Technical Data | NSN 4820-01-266-1322
| Characteristic | Specifications |
|---|---|
| MATERIAL | NICKEL ALLOY BODY |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.875 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.125 INCHES |
| VALVE SIZE | 1.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 5.000 INCHES 1ST END 7.500 INCHES 2ND END |
| NOMINAL THICKNESS | 0.562 INCHES 1ST END 0.562 INCHES 2ND END |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES 1ST END 0.750 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 3.875 INCHES 1ST END 6.000 INCHES 2ND END |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| RAISED FACE NOMINAL HEIGHT | 0.063 INCHES ALL ENDS |
| RAISED FACE NOMINAL DIAMETER | 2.875 INCHES 1ST END 5.000 INCHES 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 26.0 TO 33.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-266-1322
| 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 | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | 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 | 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 4820-01-266-1322
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable 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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |