NSN 4820-01-203-3999 D524B1M25, D524B-1M-25, 01-203-3999
Product Details | SAFETY RELIEF VALVE
4820-01-203-3999 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: D524B1M25, D524B-1M-25, 4820-01-203-3999, 01-203-3999, 4820012033999, 012033999
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 14 MAR 1985 | 01-203-3999 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-203-3999
Demand History | NSN 4820-01-203-3999
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| D524B-1M-25 | 2019-11-324 | 109 | DIBBS |
| D524B-1M-25 | 2019-05-151 | 109 | DIBBS |
| D524B-1M-25 | 2019-05-136 | 109 | DIBBS |
| 4820-01-203-3999 | 2017-08-222 | 146 | DIBBS |
| 4820-01-203-3999 | 2017-03-89 | 184 | DIBBS |
| 4820-01-203-3999 | 2016-12-354 | 90 | DIBBS |
| 4820-01-203-3999 | 2016-12-343 | 90 | DIBBS |
| 4820-01-203-3999 | 2016-03-68 | 73 | DIBBS |
| 4820-01-203-3999 | 2016-01-21 | 1 | DIBBS |
| 4820-01-203-3999 | 2015-12-342 | 6 | DIBBS |
| 4820-01-203-3999 | 2015-11-327 | 4 | DIBBS |
| 4820-01-203-3999 | 2015-11-327 | 5 | DIBBS |
| 4820-01-203-3999 | 2015-11-315 | 4 | DIBBS |
| 4820-01-203-3999 | 2015-08-237 | 9 | DIBBS |
| 4820-01-203-3999 | 2015-08-224 | 9 | DIBBS |
| 4820-01-203-3999 | 2015-06-173 | 2 | DIBBS |
| 4820-01-203-3999 | 2015-06-162 | 2 | DIBBS |
| 4820-01-203-3999 | 2015-05-145 | 50 | DIBBS |
| 4820-01-203-3999 | 2012-08-215 | 3 | DIBBS |
| 4820-01-203-3999 | 2011-12-353 | 4 | DIBBS |
| 4820-01-203-3999 | 2011-01-03 | 1 | DIBBS |
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Related Products | NSN 4820-01-203-3999
Technical Data | NSN 4820-01-203-3999
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY |
| STYLE DESIGNATOR | C4 STRAIGHT THRU |
| FLOW CONTROL DEVICE | PLUG |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE OIL, CHLORINATED TRANSFORMER 2ND RESPONSE OXYGEN, GASEOUS 3RD RESPONSE OXYGEN, LIQUID 4TH RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE 200.0 POUNDS PER SQUARE INCH 2ND RESPONSE 200.0 POUNDS PER SQUARE INCH 3RD RESPONSE 200.0 POUNDS PER SQUARE INCH 4TH RESPONSE |
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 1ST RESPONSE 450.0 DEG FAHRENHEIT 2ND RESPONSE 450.0 DEG FAHRENHEIT 3RD RESPONSE 450.0 DEG FAHRENHEIT 4TH RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CONNECTION STYLE | G46B PLAIN 1ST END |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
Restrictions/Controls & Freight Information | NSN 4820-01-203-3999
| 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: | U | Precious metal type is unknown |
| 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 | ZG | Germany ZH ZJ |
| 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 4820-01-203-3999
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |