NSN 4820-01-326-5839 BASAA05SBBA030, BASAA05SBB-A030, D51020 ITEM R10AC1C112-BM1
Product Details | SAFETY RELIEF VALVE
4820-01-326-5839 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: BASAA05SBBA030, BASAA05SBB-A030, D51020 ITEM R10AC1C112-BM1, D51020ITEMR10AC1C112BM1, R10AC1C112BM1, R10AC1C112-BM1, 4820-01-326-5839, 01-326-5839, 4820013265839, 013265839
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 SEP 1990 | 01-326-5839 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-326-5839
Demand History | NSN 4820-01-326-5839
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| BASAA05SBB-A030 | 2025-12-353 | 33 | DIBBS |
| BASAA05SBB-A030 | 2025-12-341 | 33 | DIBBS |
| BASAA05SBB-A030 | 2025-08-237 | 13 | DIBBS |
| BASAA05SBB-A030 | 2025-08-225 | 13 | DIBBS |
| BASAA05SBB-A030 | 2025-06-170 | 13 | DIBBS |
| BASAA05SBB-A030 | 2025-04-100 | 10 | DIBBS |
| BASAA05SBB-A030 | 2025-03-72 | 13 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2025-03-72 | 13 | DIBBS |
| R10AC1C112-BM1 | 2025-03-72 | 13 | DIBBS |
| BASAA05SBB-A030 | 2024-10-283 | 12 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2024-10-283 | 12 | DIBBS |
| R10AC1C112-BM1 | 2024-10-283 | 12 | DIBBS |
| BASAA05SBB-A030 | 2024-09-256 | 3 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2024-09-256 | 3 | DIBBS |
| R10AC1C112-BM1 | 2024-09-256 | 3 | DIBBS |
| BASAA05SBB-A030 | 2024-08-235 | 4 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2024-08-235 | 4 | DIBBS |
| R10AC1C112-BM1 | 2024-08-235 | 4 | DIBBS |
| BASAA05SBB-A030 | 2024-07-186 | 10 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2024-07-186 | 10 | DIBBS |
| R10AC1C112-BM1 | 2024-07-186 | 10 | DIBBS |
| BASAA05SBB-A030 | 2023-11-324 | 21 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2023-11-324 | 21 | DIBBS |
| R10AC1C112-BM1 | 2023-11-324 | 21 | DIBBS |
| BASAA05SBB-A030 | 2023-08-222 | 5 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2023-08-222 | 5 | DIBBS |
| R10AC1C112-BM1 | 2023-08-222 | 5 | DIBBS |
| BASAA05SBB-A030 | 2023-07-208 | 4 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2023-07-208 | 4 | DIBBS |
| R10AC1C112-BM1 | 2023-07-208 | 4 | DIBBS |
| BASAA05SBB-A030 | 2023-06-173 | 8 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2023-06-173 | 8 | DIBBS |
| R10AC1C112-BM1 | 2023-06-173 | 8 | DIBBS |
| BASAA05SBB-A030 | 2022-10-279 | 15 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2022-10-279 | 15 | DIBBS |
| R10AC1C112-BM1 | 2022-10-279 | 15 | DIBBS |
| BASAA05SBB-A030 | 2022-03-76 | 15 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2022-03-76 | 15 | DIBBS |
| R10AC1C112-BM1 | 2022-03-76 | 15 | DIBBS |
| BASAA05SBB-A030 | 2021-12-339 | 14 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-12-339 | 14 | DIBBS |
| R10AC1C112-BM1 | 2021-12-339 | 14 | DIBBS |
| BASAA05SBB-A030 | 2021-11-318 | 6 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-11-318 | 6 | DIBBS |
| R10AC1C112-BM1 | 2021-11-318 | 6 | DIBBS |
| BASAA05SBB-A030 | 2021-10-286 | 19 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-10-286 | 19 | DIBBS |
| R10AC1C112-BM1 | 2021-10-286 | 19 | DIBBS |
| BASAA05SBB-A030 | 2021-09-249 | 4 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-09-249 | 4 | DIBBS |
| R10AC1C112-BM1 | 2021-09-249 | 4 | DIBBS |
| BASAA05SBB-A030 | 2021-08-217 | 7 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-08-217 | 7 | DIBBS |
| R10AC1C112-BM1 | 2021-08-217 | 7 | DIBBS |
| BASAA05SBB-A030 | 2021-05-133 | 3 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-05-133 | 3 | DIBBS |
| R10AC1C112-BM1 | 2021-05-133 | 3 | DIBBS |
| BASAA05SBB-A030 | 2021-04-91 | 5 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2021-04-91 | 5 | DIBBS |
| R10AC1C112-BM1 | 2021-04-91 | 5 | DIBBS |
| BASAA05SBB-A030 | 2020-02-49 | 12 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2020-02-49 | 12 | DIBBS |
| R10AC1C112-BM1 | 2020-02-49 | 12 | DIBBS |
| BASAA05SBB-A030 | 2020-02-40 | 84 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2020-02-40 | 84 | DIBBS |
| R10AC1C112-BM1 | 2020-02-40 | 84 | DIBBS |
| BASAA05SBB-A030 | 2020-02-37 | 12 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2020-02-37 | 12 | DIBBS |
| R10AC1C112-BM1 | 2020-02-37 | 12 | DIBBS |
| BASAA05SBB-A030 | 2019-08-232 | 31 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-08-232 | 31 | DIBBS |
| R10AC1C112-BM1 | 2019-08-232 | 31 | DIBBS |
| BASAA05SBB-A030 | 2019-08-219 | 31 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-08-219 | 31 | DIBBS |
| R10AC1C112-BM1 | 2019-08-219 | 31 | DIBBS |
| BASAA05SBB-A030 | 2019-08-214 | 18 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-08-214 | 18 | DIBBS |
| R10AC1C112-BM1 | 2019-08-214 | 18 | DIBBS |
| BASAA05SBB-A030 | 2019-07-203 | 18 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-07-203 | 18 | DIBBS |
| R10AC1C112-BM1 | 2019-07-203 | 18 | DIBBS |
| BASAA05SBB-A030 | 2019-05-143 | 15 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-05-143 | 15 | DIBBS |
| R10AC1C112-BM1 | 2019-05-143 | 15 | DIBBS |
| BASAA05SBB-A030 | 2019-03-73 | 15 | DIBBS |
| D51020 ITEM R10AC1C112-BM1 | 2019-03-73 | 15 | DIBBS |
| R10AC1C112-BM1 | 2019-03-73 | 15 | DIBBS |
| 4820-01-326-5839 | 2018-07-207 | 19 | DIBBS |
| 4820-01-326-5839 | 2018-01-21 | 18 | DIBBS |
| 4820-01-326-5839 | 2017-11-323 | 13 | DIBBS |
| 4820-01-326-5839 | 2017-10-283 | 14 | DIBBS |
| 4820-01-326-5839 | 2017-06-155 | 11 | DIBBS |
| 4820-01-326-5839 | 2017-04-116 | 12 | DIBBS |
| 4820-01-326-5839 | 2017-03-89 | 10 | DIBBS |
| 4820-01-326-5839 | 2016-09-273 | 11 | DIBBS |
| 4820-01-326-5839 | 2016-05-130 | 10 | DIBBS |
| 4820-01-326-5839 | 2016-04-119 | 10 | DIBBS |
| 4820-01-326-5839 | 2016-04-105 | 7 | DIBBS |
| 4820-01-326-5839 | 2016-04-94 | 7 | DIBBS |
| 4820-01-326-5839 | 2015-09-246 | 13 | DIBBS |
| 4820-01-326-5839 | 2014-04-110 | 8 | DIBBS |
| 4820-01-326-5839 | 2014-01-20 | 7 | DIBBS |
| 4820-01-326-5839 | 2013-11-332 | 14 | DIBBS |
| 4820-01-326-5839 | 2013-07-204 | 9 | DIBBS |
| 4820-01-326-5839 | 2013-03-87 | 10 | DIBBS |
| 4820-01-326-5839 | 2012-11-319 | 10 | DIBBS |
| 4820-01-326-5839 | 2011-12-341 | 7 | DIBBS |
| 4820-01-326-5839 | 2011-11-308 | 11 | DIBBS |
| 4820-01-326-5839 | 2011-09-273 | 7 | DIBBS |
| 4820-01-326-5839 | 2011-07-208 | 6 | DIBBS |
| 4820-01-326-5839 | 2011-07-193 | 6 | DIBBS |
| 4820-01-326-5839 | 2011-03-63 | 7 | DIBBS |
| 4820-01-326-5839 | 2009-06-161 | 20 | DIBBS |
| 4820-01-326-5839 | 2009-04-113 | 5 | DIBBS |
| 4820-01-326-5839 | 2009-04-98 | 13 | DIBBS |
Cross Reference | NSN 4820-01-326-5839
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Related Products | NSN 4820-01-326-5839
Technical Data | NSN 4820-01-326-5839
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 922 BODY NICKEL ALLOY FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT 1ST RESPONSE 150.0 DEG FAHRENHEIT 2ND RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G30B SOCKET WITH BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES ALL ENDS |
| ADJUSTABLE PRESSURE RANGE | 59.0 TO 72.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-326-5839
| 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 4820-01-326-5839
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 | 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 |