NSN 4820-01-312-9421 C30180, 5080049359, 508-0049-3-59
Product Details | OXYGEN SYSTEM SAFETY RELIEF VALVE
4820-01-312-9421 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See VALVE, SAFETY RELIEF.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: C30180, 5080049359, 508-0049-3-59, 710EACDA059, 710EACD-A059, 4820-01-312-9421, 01-312-9421, 4820013129421, 013129421
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 DEC 1989 | 01-312-9421 | 37941 ( VALVE, SAFETY RELIEF, OXYGEN SYSTEM ) |
Drawings & Photos | NSN 4820-01-312-9421
Demand History | NSN 4820-01-312-9421
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-01-312-9421 | 2025-02-51 | 1 | United States |
| 710EACD-A059 | 2024-11-312 | 30 | DIBBS |
| 710EACD-A059 | 2023-07-208 | 32 | DIBBS |
| 4820-01-312-9421 | 2020-12-363 | 1 | Taiwan |
| 4820-01-312-9421 | 2020-12-350 | 3 | Taiwan |
| 710EACD-A059 | 2020-10-294 | 36 | DIBBS |
| 4820-01-312-9421 | 2016-08-214 | 41 | DIBBS |
| 4820-01-312-9421 | 2015-12-364 | 40 | DIBBS |
| 4820-01-312-9421 | 2014-07-205 | 30 | DIBBS |
| 4820-01-312-9421 | 2014-07-194 | 30 | DIBBS |
| 4820-01-312-9421 | 2013-02-58 | 8 | DIBBS |
| 4820-01-312-9421 | 2010-07-210 | 19 | DIBBS |
| 4820-01-312-9421 | 2010-07-204 | 13 | DIBBS |
| 4820-01-312-9421 | 2010-01-11 | 38 | DIBBS |
| 4820-01-312-9421 | 2009-11-334 | 30 | DIBBS |
| 4820-01-312-9421 | 2009-10-299 | 12 | DIBBS |
| 4820-01-312-9421 | 2009-10-275 | 11 | DIBBS |
| 4820-01-312-9421 | 2009-09-271 | 10 | DIBBS |
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Related Products | NSN 4820-01-312-9421
Technical Data | NSN 4820-01-312-9421
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY |
| STYLE DESIGNATOR | A7 ANGLE |
| MEDIA FOR WHICH DESIGNED | NITROGEN, LIQUID 1ST RESPONSE OXYGEN, LIQUID 2ND RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G46B PLAIN 1ST END G9 PLAIN 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 0.500 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| OPENING PRESSURE SETTING | 59.0 POUNDS PER SQUARE INCH |
| MINIMUM OPERATING TEMP | -320.0 DEG FAHRENHEIT |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| III END ITEM IDENTIFICATION | TMU-27/M |
Restrictions/Controls & Freight Information | NSN 4820-01-312-9421
| 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 | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-312-9421
Air Force
Navy| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Price Validation | P | The current standard price is the initial negotiated provisioned price.
|
| Materiel Management Aggregation Code | QF | TG:CHEMICAL AND GAS CYLINDERS |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| 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 | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |