NSN 4820-00-768-6349 103020, 1030-20, 1030201580
Product Details | SAFETY RELIEF VALVE
4820-00-768-6349 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: 103020, 1030-20, 1030201580, 1030-20-1580, 695862, 6958621, 695862-1, 4820-00-768-6349, 00-768-6349, 4820007686349, 007686349
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-768-6349 | 05488 ( VALVE, SAFETY RELIEF ) |
Demand History | NSN 4820-00-768-6349
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1030-20 | 2025-01-13 | 3 | DIBBS |
| 1030-20-1580 | 2025-01-13 | 3 | DIBBS |
| 1030-20 | 2023-12-354 | 5 | DIBBS |
| 1030-20-1580 | 2023-12-354 | 5 | DIBBS |
| 1030-20 | 2023-09-250 | 5 | DIBBS |
| 1030-20-1580 | 2023-09-250 | 5 | DIBBS |
| 1030-20 | 2023-07-201 | 2 | DIBBS |
| 1030-20-1580 | 2023-07-201 | 2 | DIBBS |
| 1030-20 | 2023-03-75 | 2 | DIBBS |
| 1030-20-1580 | 2023-03-75 | 2 | DIBBS |
| 1030-20 | 2022-07-209 | 3 | DIBBS |
| 1030-20-1580 | 2022-07-209 | 3 | DIBBS |
| 1030-20 | 2022-01-09 | 2 | DIBBS |
| 1030-20-1580 | 2022-01-09 | 2 | DIBBS |
| 1030-20 | 2021-07-210 | 2 | DIBBS |
| 1030-20-1580 | 2021-07-210 | 2 | DIBBS |
| 1030-20 | 2021-07-199 | 2 | DIBBS |
| 1030-20-1580 | 2021-07-199 | 2 | DIBBS |
| 4820-00-768-6349 | 2015-06-162 | 4 | DIBBS |
| 4820-00-768-6349 | 2015-06-153 | 2 | DIBBS |
| 4820-00-768-6349 | 2014-11-328 | 2 | DIBBS |
| 4820-00-768-6349 | 2014-11-316 | 2 | DIBBS |
| 4820-00-768-6349 | 2014-10-279 | 2 | DIBBS |
| 4820-00-768-6349 | 2014-09-266 | 2 | DIBBS |
| 103020 | 2014-05-149 | 1 | Sri Lanka |
| 1030-20 | 2011-08-230 | 4 | United Kingdom |
| 4820-00-768-6349 | 2010-08-214 | 6 | DIBBS |
| 4820-00-768-6349 | 2010-03-64 | 2 | DIBBS |
| 4820-00-768-6349 | 2010-01-11 | 3 | DIBBS |
| 4820-00-768-6349 | 2009-11-308 | 2 | DIBBS |
| 4820-00-768-6349 | 2009-11-308 | 4 | DIBBS |
| 4820-00-768-6349 | 2009-10-292 | 4 | DIBBS |
| 4820-00-768-6349 | 2009-07-212 | 2 | DIBBS |
| 4820-00-768-6349 | 2009-06-154 | 5 | DIBBS |
| 4820-00-768-6349 | 2009-04-110 | 1 | DIBBS |
| 4820-00-768-6349 | 2009-02-51 | 5 | DIBBS |
| 4820-00-768-6349 | 2006-10-295 | 1 | Turkey |
| 4820-00-768-6349 | 2006-10-294 | 1 | Turkey |
| 4820-00-768-6349 | 2006-10-294 | 1 | Turkey |
Cross Reference | NSN 4820-00-768-6349
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1030-20 | 94874 | DROITCOUR COMPANY |
| 1030-20 | 98897 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS |
| 1030-20-1580 | 94874 | DROITCOUR COMPANY |
| 695862 | 98897 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS |
| 695862-1 | 98897 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS |
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Related Products | NSN 4820-00-768-6349
Technical Data | NSN 4820-00-768-6349
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY STEEL FLOW CONTROL DEVICE STEEL SEAT STEEL STEM |
| STYLE DESIGNATOR | A40 ANGLE W/OFFSET |
| FLOW CONTROL DEVICE | PISTON |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 1760.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 3.5 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | G4 GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 1580.0 POUNDS PER SQUARE INCH |
| MOUNTING FACILITY | THREADED FASTENER |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
Restrictions/Controls & Freight Information | NSN 4820-00-768-6349
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | 128000 | PUMPS PWR NOI/WORKING HEADS/PARTS |
| Less than car load rating | ||
| Less than truck load rating | M | 85.0 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| 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 4820-00-768-6349
| 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 | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



