NSN 4820-01-120-8226 D447UU-13 1/2 X 3/4 IN , D447UU1312X34IN, DT42UU-396T440 1/2IN
Product Details | SAFETY RELIEF VALVE
4820-01-120-8226 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: D447UU-13 1/2 X 3/4 IN , D447UU1312X34IN, DT42UU-396T440 1/2IN, DT42UU396T44012IN, 20265, 2026515941SS, 20265-15-941SS, 4820-01-120-8226, 01-120-8226, 4820011208226, 011208226
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 23 OCT 1981 | 01-120-8226 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-120-8226
Demand History | NSN 4820-01-120-8226
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2026501T0396 | 2022-10-293 | 8 | DIBBS |
| 20265-15-941SS | 2022-10-293 | 8 | DIBBS |
| D447UU-13H-1/2-3/4 | 2022-10-293 | 8 | DIBBS |
| 2026501T0396 | 2022-10-279 | 8 | DIBBS |
| 20265-15-941SS | 2022-10-279 | 8 | DIBBS |
| D447UU-13H-1/2-3/4 | 2022-10-279 | 8 | DIBBS |
| 2026501T0396 | 2022-08-234 | 7 | DIBBS |
| 20265-15-941SS | 2022-08-234 | 7 | DIBBS |
| D447UU-13H 1/2X3/4 IN | 2022-08-234 | 7 | DIBBS |
| 2026501T0396 | 2022-08-223 | 7 | DIBBS |
| 20265-15-941SS | 2022-08-223 | 7 | DIBBS |
| D447UU-13H 1/2X3/4 IN | 2022-08-223 | 7 | DIBBS |
| 2026501T0396 | 2021-08-231 | 7 | DIBBS |
| 20265-15-941SS | 2021-08-231 | 7 | DIBBS |
| D447UU-13H 1/2X3/4 IN | 2021-08-231 | 7 | DIBBS |
| 20265-15-941SS | 2021-07-199 | 6 | DIBBS |
| 20265-15-941SS | 2021-05-124 | 1 | DIBBS |
Cross Reference | NSN 4820-01-120-8226
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20265 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20265 | 70192 | GAP INSTRUMENT CORP GORN DIV |
| 20265-15-941SS | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20265-15-941SS | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| D447UU-13 1/2 X 3/4 IN | 5P967 | DANTE VALVE COMPANY INC |
| D447UU-13 1/2 X 3/4 IN | 65079 | DANCO VALVE COMPANY |
| DT42UU-396T440 1/2IN | 65079 | DANCO VALVE COMPANY |
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Related Products | NSN 4820-01-120-8226
Technical Data | NSN 4820-01-120-8226
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE STEEL COMP 304 SEAT STEEL COMP 303 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT AISI 303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G30A SOCKET WITH BRAZING RING ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 1ST END 0.500 INCHES 2ND END |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| ADJUSTABLE PRESSURE RANGE | 396.0 TO 440.0 POUNDS PER SQUARE INCH |
| III END ITEM IDENTIFICATION | FORRESTAL CLASS CV |
Restrictions/Controls & Freight Information | NSN 4820-01-120-8226
| 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 | 671 | 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 | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 4820-01-120-8226
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 | 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 |