NSN 4820-01-253-6686 NRV250B135B, NRV250B-135B, PRV250B135
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-253-6686 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: NRV250B135B, NRV250B-135B, PRV250B135, PRV250B-135, 8431394, 4820-01-253-6686, 01-253-6686, 4820012536686, 012536686
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 23 APR 1987 | 01-253-6686 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Drawings & Photos | NSN 4820-01-253-6686
Demand History | NSN 4820-01-253-6686
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| PRV250B-135 | 2023-12-339 | 84 | DIBBS |
| PRV250B-135 | 2021-06-172 | 27 | DIBBS |
| 4820-01-253-6686 | 2011-10-286 | 7 | DIBBS |
| 4820-01-253-6686 | 2011-10-286 | 13 | DIBBS |
| 4820-01-253-6686 | 2011-10-286 | 20 | DIBBS |
| 4820-01-253-6686 | 2011-05-143 | 3 | DIBBS |
| 4820-01-253-6686 | 2011-05-143 | 9 | DIBBS |
| 4820-01-253-6686 | 2011-05-122 | 26 | DIBBS |
| 4820-01-253-6686 | 2011-02-53 | 4 | DIBBS |
| 4820-01-253-6686 | 2011-02-53 | 11 | DIBBS |
| 4820-01-253-6686 | 2011-02-53 | 13 | DIBBS |
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Related Products | NSN 4820-01-253-6686
Technical Data | NSN 4820-01-253-6686
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A47 SINGLE CONNECTION STRAIGHT THRU |
| BODY MATERIAL | BRASS, QQ-B-626, ALLOY 360, 1/2H |
| FLOW CONTROL DEVICE | DISK, FLAT |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | J6 PLAIN |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| TEMP RATING | -10.0 DEG CELSIUS 55.0 DEG CELSIUS |
| VALVE DISCHARGE FLOW RATE | 50.0 CUBIC FEET PER MINUTE |
| SPECIAL FEATURES | USED ON P/N 8431400;DIM O/A LG 2.250 IN MAX; O/A W 0.875 IN;STORAGE TEMP RANGE C MINUS 10.0 TO POS C85.0 AIM-9 MSL |
| MANUFACTURERS CODE | 98752 |
| MFR SOURCE CONTROLLING REFERENCE | 8431394 |
Restrictions/Controls & Freight Information | NSN 4820-01-253-6686
| 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 | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | TG | Warner-Robins Air Logistics Center Robins AFB, GA 31098-5609 |
| 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 4820-01-253-6686
Army
Air Force
Navy| 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 | 4 | PROVISIONING ITEMS (Exclusive of Insurance Items). This code will identify new items introduced through the provisioning process for system stock which would normally be categorized as either nonreparable or reparable but for which sufficient experience has been obtained to manage on the basis of normal demand forecasts. |
| Specific Group/Generic Code | D | Surface to Air Missiles |
| Weapons Systems/End Item or Homogeneous Group | DP | AVENGER |
| 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 |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Materiel Management Aggregation Code | AB | TG:AIM-9 (SIDE WINDER) |
| Price Validation | P | The current standard price is the initial negotiated provisioned price.
|
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| 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 |