NSN 4820-00-407-8372 MS28893D12, MS28893-D12, MS28893D123850
Product Details | SAFETY RELIEF VALVE
4820-00-407-8372 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: MS28893D12, MS28893-D12, MS28893D123850, MS28893D12-3850, 4820-00-407-8372, 00-407-8372, 4820004078372, 004078372
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 28 JAN 1972 | 00-407-8372 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-407-8372
Demand History | NSN 4820-00-407-8372
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-407-8372 | 2025-05-133 | 3 | DIBBS |
| 4820-00-407-8372 | 2025-01-21 | 6 | DIBBS |
| 4820-00-407-8372 | 2024-08-232 | 5 | DIBBS |
| 4820-00-407-8372 | 2024-08-221 | 5 | DIBBS |
| 4820-00-407-8372 | 2024-07-212 | 3 | DIBBS |
| 4820-00-407-8372 | 2024-07-199 | 3 | DIBBS |
| 4820-00-407-8372 | 2018-05-135 | 42 | DIBBS |
| 4820-00-407-8372 | 2018-04-101 | 11 | DIBBS |
| 4820-00-407-8372 | 2018-03-71 | 13 | DIBBS |
| 4820-00-407-8372 | 2018-02-58 | 13 | DIBBS |
| 4820-00-407-8372 | 2017-10-274 | 13 | DIBBS |
| 4820-00-407-8372 | 2017-04-116 | 3 | DIBBS |
| 4820-00-407-8372 | 2017-03-89 | 3 | DIBBS |
| 4820-00-407-8372 | 2017-03-61 | 9 | DIBBS |
| 4820-00-407-8372 | 2017-02-48 | 4 | us |
| 4820-00-407-8372 | 2017-02-48 | 11 | us |
| 4820-00-407-8372 | 2017-02-45 | 11 | DIBBS |
| 4820-00-407-8372 | 2017-02-40 | 4 | DIBBS |
| 4820-00-407-8372 | 2017-02-39 | 4 | DIBBS |
| 4820-00-407-8372 | 2017-02-34 | 1 | DIBBS |
| 4820-00-407-8372 | 2016-09-251 | 3 | DIBBS |
| 4820-00-407-8372 | 2016-03-82 | 7 | DIBBS |
| 4820-00-407-8372 | 2016-03-77 | 1 | US |
| 4820-00-407-8372 | 2016-03-69 | 5 | DIBBS |
| 4820-00-407-8372 | 2016-01-28 | 1 | DIBBS |
| 4820-00-407-8372 | 2016-01-07 | 1 | DIBBS |
| 4820-00-407-8372 | 2015-11-313 | 1 | DIBBS |
| 4820-00-407-8372 | 2015-09-246 | 1 | DIBBS |
| 4820-00-407-8372 | 2013-12-351 | 5 | DIBBS |
| 4820-00-407-8372 | 2013-04-109 | 4 | DIBBS |
| 004078372 | 2013-01-24 | 1 | United States |
| 4820-00-407-8372 | 2012-12-339 | 4 | DIBBS |
| 4820-00-407-8372 | 2012-11-310 | 7 | DIBBS |
| 4820-00-407-8372 | 2012-10-285 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-09-272 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-09-272 | 2 | DIBBS |
| 4820-00-407-8372 | 2012-09-268 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-08-219 | 7 | DIBBS |
| 4820-00-407-8372 | 2012-06-166 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-05-135 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-04-110 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-03-68 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-02-35 | 1 | DIBBS |
| 4820-00-407-8372 | 2012-01-13 | 1 | DIBBS |
| 4820-00-407-8372 | 2011-12-336 | 1 | United States |
| 4820-00-407-8372 | 2011-11-332 | 2 | United States |
| 4820-00-407-8372 | 2011-10-283 | 1 | DIBBS |
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Related Products | NSN 4820-00-407-8372
Technical Data | NSN 4820-00-407-8372
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | C8 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3850.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 32.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | G4 GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UN ALL ENDS |
| NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 12 ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 3750.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 2300.0 TO 3850.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS28893D12-3850 |
Restrictions/Controls & Freight Information | NSN 4820-00-407-8372
| 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: | 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 | 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 | 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 |
Management | NSN 4820-00-407-8372
Navy
Marines| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 5 | Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency. |
| Materiel Management Code | B | All CommoditiesDefense Logistics Agency, (DLA,) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| 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 |
| 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 | 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 |