NSN 4820-01-148-6939 31498, 89528365, 895-28365
Product Details | SAFETY RELIEF VALVE
4820-01-148-6939 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: 31498, 89528365, 895-28365, 895-28365 ITEM 32, 89528365ITEM32, 4820-01-148-6939, 01-148-6939, 4820011486939, 011486939
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 MAR 1983 | 01-148-6939 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-148-6939
Demand History | NSN 4820-01-148-6939
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 31498 | 2023-07-197 | 17 | DIBBS |
| 895-28365 ITEM 32 | 2023-07-197 | 17 | DIBBS |
| 31498 | 2022-04-104 | 17 | DIBBS |
| 895-28365 ITEM 32 | 2022-04-104 | 17 | DIBBS |
| 31498 | 2019-01-31 | 31 | DIBBS |
| 895-28365 ITEM 32 | 2019-01-31 | 31 | DIBBS |
| 4820-01-148-6939 | 2016-03-70 | 20 | DIBBS |
| 4820-01-148-6939 | 2013-05-149 | 15 | DIBBS |
| 4820-01-148-6939 | 2010-10-294 | 8 | DIBBS |
| 4820-01-148-6939 | 2009-04-98 | 13 | DIBBS |
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Technical Data | NSN 4820-01-148-6939
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYLE DESIGNATOR | C6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G42 FLARED ALL ENDS |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| ADJUSTABLE PRESSURE RANGE | 0.0 TO 3000.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | WITH SINTERED BREATHER |
Restrictions/Controls & Freight Information | NSN 4820-01-148-6939
| 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 | 594 | 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 4820-01-148-6939
Navy| 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 | 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 |