NSN 4820-00-021-2968 BC949T, BC949T2Q, BC949T-2Q
Product Details | SAFETY RELIEF VALVE
4820-00-021-2968 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: BC949T, BC949T2Q, BC949T-2Q , 2528657, 4820-00-021-2968, 00-021-2968, 4820000212968, 000212968
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 APR 1967 | 00-021-2968 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-021-2968
Demand History | NSN 4820-00-021-2968
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| BC949T-2Q | 2025-11-324 | 15 | DIBBS |
| BC949T-2Q | 2024-02-36 | 18 | DIBBS |
| BC949T-2Q | 2024-01-25 | 18 | DIBBS |
| BC949T-2Q | 2022-10-292 | 4 | DIBBS |
| BC949T-2Q | 2022-09-265 | 30 | DIBBS |
| BC949T-2Q | 2022-09-254 | 30 | DIBBS |
| BC949T-2Q | 2022-06-180 | 4 | DIBBS |
| BC949T-2Q | 2022-06-160 | 19 | DIBBS |
| BC949T-2Q | 2022-01-27 | 5 | DIBBS |
| BC949T-2Q | 2021-08-224 | 4 | DIBBS |
| BC949T-2Q | 2021-05-133 | 14 | DIBBS |
| BC949T-2Q | 2020-10-300 | 18 | DIBBS |
| BC949T-2Q | 2020-10-289 | 18 | DIBBS |
| 4820-00-021-2968 | 2018-04-114 | 37 | US |
| 4820-00-021-2968 | 2017-05-130 | 3 | IL |
| 4820-00-021-2968 | 2017-01-10 | 23 | DIBBS |
| 4820-00-021-2968 | 2016-07-202 | 51 | DIBBS |
| 4820-00-021-2968 | 2016-07-201 | 5 | Taiwan |
| 4820-00-021-2968 | 2016-05-133 | 21 | DIBBS |
| 4820-00-021-2968 | 2016-02-47 | 24 | DIBBS |
| 4820-00-021-2968 | 2015-01-01 | 18 | DIBBS |
| 4820-00-021-2968 | 2014-08-218 | 20 | DIBBS |
| 4820-00-021-2968 | 2014-07-190 | 36 | DIBBS |
| 4820-00-021-2968 | 2014-06-180 | 12 | DIBBS |
| 4820-00-021-2968 | 2014-05-126 | 17 | DIBBS |
| 4820-00-021-2968 | 2014-01-14 | 6 | US |
| 4820-00-021-2968 | 2013-11-332 | 10 | DIBBS |
| 4820-00-021-2968 | 2013-09-269 | 15 | DIBBS |
| 4820-00-021-2968 | 2013-08-228 | 1 | Taiwan |
| 4820-00-021-2968 | 2013-08-213 | 3 | Taiwan |
| 4820-00-021-2968 | 2013-06-153 | 9 | DIBBS |
| BC949T2Q | 2013-01-17 | 3 | US |
| 4820-00-021-2968 | 2012-08-226 | 17 | DIBBS |
| 4820-00-021-2968 | 2012-04-118 | 19 | DIBBS |
| 4820-00-021-2968 | 2011-03-81 | 11 | DIBBS |
| 4820-00-021-2968 | 2011-01-11 | 8 | DIBBS |
| 4820-00-021-2968 | 2010-09-258 | 10 | DIBBS |
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Related Products | NSN 4820-00-021-2968
Technical Data | NSN 4820-00-021-2968
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY STEEL COMP 303 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 30300 ASSN STD 1ST MATERIAL RESPONSE BODY AISI 30300 ASSN STD 2ND MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | STEM |
| MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END UNTHREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 1ST END G23B REDUCED SOCKET 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.875 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.875 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 14 1ST END |
| THREAD CLASS | 2A 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| FURNISHED ITEMS AND QUANTITY | 1 HANDLE |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, SHUTOFF |
Restrictions/Controls & Freight Information | NSN 4820-00-021-2968
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | 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 4820-00-021-2968
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 | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |