NSN 4820-01-368-1772 D44UU-01 1/2X3/4, D44UU0112X34, D44UU-01H-1/2-3/4
Product Details | SAFETY RELIEF VALVE
4820-01-368-1772 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: D44UU-01 1/2X3/4, D44UU0112X34, D44UU-01H-1/2-3/4 , D44UU01H1234, 202343941SS, 4820-01-368-1772, 01-368-1772, 4820013681772, 013681772
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 NOV 1992 | 01-368-1772 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-368-1772
Demand History | NSN 4820-01-368-1772
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 202343941SS | 2025-05-142 | 2 | DIBBS |
| D44UU-01H-1/2-3/4 | 2025-05-142 | 2 | DIBBS |
| 202343941SS | 2024-12-347 | 2 | DIBBS |
| D44UU-01H-1/2-3/4 | 2024-12-347 | 2 | DIBBS |
| 202343941SS | 2023-08-213 | 1 | DIBBS |
| D44UU-01H-1/2-3/4 | 2023-08-213 | 1 | DIBBS |
| 202343941SS | 2022-12-353 | 3 | DIBBS |
| D44UU-01H-1/2-3/4 | 2022-12-353 | 3 | DIBBS |
| 202343941SS | 2022-12-342 | 3 | DIBBS |
| D44UU-01H-1/2-3/4 | 2022-12-342 | 3 | DIBBS |
| 202343941SS | 2021-07-199 | 1 | DIBBS |
| D44UU-01H-1/2-3/4 | 2021-07-199 | 1 | DIBBS |
| 202343941SS | 2021-06-172 | 1 | DIBBS |
| D44UU-01H-1/2-3/4 | 2021-06-172 | 1 | DIBBS |
| 202343941SS | 2021-02-56 | 1 | DIBBS |
| D44UU-01H-1/2-3/4 | 2021-02-56 | 1 | DIBBS |
| 202343941SS | 2019-02-34 | 6 | DIBBS |
| D44UU-01H-1/2-3/4 | 2019-02-34 | 6 | DIBBS |
| 4820-01-368-1772 | 2018-05-130 | 3 | DIBBS |
| 4820-01-368-1772 | 2017-07-198 | 4 | DIBBS |
| 4820-01-368-1772 | 2017-06-180 | 4 | DIBBS |
| 4820-01-368-1772 | 2015-05-134 | 4 | DIBBS |
| 4820-01-368-1772 | 2012-03-67 | 2 | DIBBS |
| 4820-01-368-1772 | 2010-11-325 | 1 | DIBBS |
| 4820-01-368-1772 | 2010-10-280 | 4 | DIBBS |
| 4820-01-368-1772 | 2010-08-242 | 2 | DIBBS |
| 4820-01-368-1772 | 2008-11-318 | 6 | DIBBS |
Cross Reference | NSN 4820-01-368-1772
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 202343941SS | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 202343941SS | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| D44UU-01 1/2X3/4 | 65079 | DANCO VALVE COMPANY |
| D44UU-01H-1/2-3/4 | 5P967 | DANTE VALVE COMPANY INC |
| D44UU-01H-1/2-3/4 | 65079 | DANCO VALVE COMPANY |
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Related Products | NSN 4820-01-368-1772
Technical Data | NSN 4820-01-368-1772
| Characteristic | Specifications |
|---|---|
| MATERIAL | BRONZE BODY COPPER ALLOY FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AASTM B16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE AISI 304 ASSN STD SINGLE MATERIAL RESPONSE SEAT AISI 303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | A7 ANGLE |
| MAXIMUM OPERATING PRESSURE | 440.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE 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 | 0.500 INCHES ALL ENDS |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 45.0 TO 57.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 2 TAILPIECE |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| III END ITEM IDENTIFICATION | OLIVER PERRY CLASS FFG |
Restrictions/Controls & Freight Information | NSN 4820-01-368-1772
| 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: | Y | The item does not have a nuclear hardened feature but does have other critical feature(s) 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 | P | 77.5 |
| 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 4820-01-368-1772
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| 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 |