NSN 4820-01-621-8959 ST251A200, ST25-1A200 , 01-621-8959
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-621-8959 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Part Alternates: ST251A200, ST25-1A200 , 4820-01-621-8959, 01-621-8959, 4820016218959, 016218959
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 2013263 | 01-621-8959 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Demand History | NSN 4820-01-621-8959
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| ST25-1A200 | 2024-04-113 | 1 | DIBBS |
| 4820-01-621-8959 | 2022-09-256 | 1 | United States |
| ST25-1A200 | 2022-02-46 | 1 | DIBBS |
| ST25-1A200 | 2021-02-32 | 2 | DIBBS |
| ST25-1A200 | 2020-06-162 | 1 | DIBBS |
Cross Reference | NSN 4820-01-621-8959
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ST25-1A200 | 58818 | CONTROL DEVICES, INCORPORATED |
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Related Products | NSN 4820-01-621-8959
Technical Data | NSN 4820-01-621-8959
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY WHEN FLANGED BOTH ENDS |
| BODY MATERIAL | BRASS |
| FLOW CONTROL DEVICE | POPPET |
| FLOW CONTROL DEVICE MATERIAL | RUBBER, SYNTHETIC |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | SOCKET |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.25 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END THREAD SERIES DESIGNATOR | NPT |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| TEMP RATING | 250.0 DEG FAHRENHEIT |
| ADJUSTABLE PRESSURE RANGE | 25.0 TO 350.0 POUNDS PER SQUARE INCH |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | AIR SAFETY VALVE |
Restrictions/Controls & Freight Information | NSN 4820-01-621-8959
| 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: | 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 | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | AZ | U.S. Army Tank-Automotive and Armaments Command Warren, MI 48397-5000 |
| 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 4820-01-621-8959
Army| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | J | Ground Forces Support Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| 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 |