NSN 4820-01-524-1914 27CC33HM-Z20/S4, 27CC33HMZ20S4, 30158
Product Details | SAFETY RELIEF VALVE
4820-01-524-1914 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: 27CC33HM-Z20/S4, 27CC33HMZ20S4, 30158, 30158 ASSY 27CC33HM-Z20/S4, 30158ASSY27CC33HMZ20S4, 4820-01-524-1914, 01-524-1914, 4820015241914, 015241914
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 23 SEP 2004 | 01-524-1914 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-524-1914
Demand History | NSN 4820-01-524-1914
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 30158 | 2025-11-330 | 6 | BR |
| 27CC33HM-Z20/S4 | 2025-10-279 | 4 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2025-10-279 | 4 | DIBBS |
| 27CC33HM-Z20/S4 | 2025-09-268 | 4 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2025-09-268 | 4 | DIBBS |
| 27CC33HM-Z20/S4 | 2024-10-275 | 4 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2024-10-275 | 4 | DIBBS |
| 27CC33HM-Z20/S4 | 2024-09-263 | 4 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2024-09-263 | 4 | DIBBS |
| 27CC33HM-Z20/S4 | 2024-07-197 | 1 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2024-07-197 | 1 | DIBBS |
| 27CC33HM-Z20/S4 | 2024-07-186 | 1 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2024-07-186 | 1 | DIBBS |
| 27CC33HM-Z20/S4 | 2022-06-160 | 1 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2022-06-160 | 1 | DIBBS |
| 27CC33HM-Z20/S4 | 2022-05-144 | 2 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2022-05-144 | 2 | DIBBS |
| 27CC33HM-Z20/S4 | 2022-03-90 | 1 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2022-03-90 | 1 | DIBBS |
| 27CC33HM-Z20/S4 | 2022-03-79 | 1 | DIBBS |
| 30158 ASSY 27CC33HM-Z20/S4 | 2022-03-79 | 1 | DIBBS |
| 4820-01-524-1914 | 2016-09-251 | 4 | DIBBS |
| 4820-01-524-1914 | 2015-02-35 | 7 | DIBBS |
| 4820-01-524-1914 | 2015-01-19 | 1 | DIBBS |
| 4820-01-524-1914 | 2014-11-321 | 1 | DIBBS |
| 4820-01-524-1914 | 2014-11-308 | 1 | DIBBS |
| 4820-01-524-1914 | 2014-10-281 | 2 | DIBBS |
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Related Products | NSN 4820-01-524-1914
Technical Data | NSN 4820-01-524-1914
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 316 BODY STEEL COMP 316 FLOW CONTROL DEVICE STEEL COMP 316 STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | GAS, NATURAL SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G20B SOCKET ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 4988.0 TO 5736.0 POUNDS PER SQUARE INCH |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | 2700 SERIES RELIEF VALVE |
Restrictions/Controls & Freight Information | NSN 4820-01-524-1914
| 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 | 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 4820-01-524-1914
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 |
| Reparability | D | Field Level Reparables |
| 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 |