NSN 4820-00-972-0230 HF1664911, HF16649-11 , 10658298
Product Details | SAFETY RELIEF VALVE
4820-00-972-0230 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: HF1664911, HF16649-11 , 10658298, 1664911, 16649-11, 4820-00-972-0230, 00-972-0230, 4820009720230, 009720230
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 28 SEP 1966 | 00-972-0230 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-972-0230
Demand History | NSN 4820-00-972-0230
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| HF16649-11 | 2024-12-347 | 4 | DIBBS |
| HF16649-11 | 2021-11-325 | 19 | DIBBS |
| HF16649-11 | 2021-03-63 | 1 | DIBBS |
| HF16649-11 | 2020-11-310 | 18 | DIBBS |
| HF16649-11 | 2020-11-310 | 1 | DIBBS |
| HF16649-11 | 2020-02-50 | 20 | DIBBS |
| HF16649-11 | 2020-02-36 | 3 | DIBBS |
| HF16649-11 | 2020-01-08 | 17 | DIBBS |
| HF16649-11 | 2019-06-174 | 8 | DIBBS |
| HF16649-11 | 2019-06-156 | 9 | DIBBS |
| 4820-00-972-0230 | 2016-12-353 | 6 | DIBBS |
| 4820-00-972-0230 | 2016-12-340 | 4 | DIBBS |
| 4820-00-972-0230 | 2015-10-281 | 2 | DIBBS |
| 4820-00-972-0230 | 2013-10-304 | 2 | DIBBS |
| 4820-00-972-0230 | 2013-01-08 | 1 | DIBBS |
| 4820-00-972-0230 | 2010-08-242 | 3 | DIBBS |
| 4820-00-972-0230 | 2009-12-356 | 4 | DIBBS |
| 4820-00-972-0230 | 2009-05-135 | 4 | DIBBS |
Cross Reference | NSN 4820-00-972-0230
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Technical Data | NSN 4820-00-972-0230
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE ALUMINUM ALLOY 2024 SEAT ALUMINUM ALLOY 2024 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | C4 STRAIGHT THRU |
| FLOW CONTROL DEVICE | BALL |
| MAXIMUM OPERATING PRESSURE | 80.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CONNECTION STYLE | G46B PLAIN 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| RENEWABLE SEAT RING TYPE | PRESSED-IN |
Restrictions/Controls & Freight Information | NSN 4820-00-972-0230
| 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: | Q | Strategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.” |
| 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 | SR | Air Force Services Agency San Antonio, TX 78216-4138 |
| 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 |