NSN 4820-01-539-3979 30216, 30216 AY 85DC22M-140-40PSI, 30216AY85DC22M14040PSI
Product Details | SAFETY RELIEF VALVE
4820-01-539-3979 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: 30216, 30216 AY 85DC22M-140-40PSI, 30216AY85DC22M14040PSI, 85DC22M14040PSI, 85DC22M-140-40PSI, 4820-01-539-3979, 01-539-3979, 4820015393979, 015393979
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 20 APR 2006 | 01-539-3979 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-539-3979
Demand History | NSN 4820-01-539-3979
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 30216 AY 85DC22M-140-40PSI | 2025-12-338 | 2 | DIBBS |
| 85DC22M-140-40PSI | 2025-12-338 | 2 | DIBBS |
| 30216 AY 85DC22M-140-40PSI | 2024-10-282 | 2 | DIBBS |
| 85DC22M-140-40PSI | 2024-10-282 | 2 | DIBBS |
| 30216 AY 85DC22M-140-40PSI | 2024-09-249 | 2 | DIBBS |
| 85DC22M-140-40PSI | 2024-09-249 | 2 | DIBBS |
| 4820-01-539-3979 | 2016-09-252 | 1 | DIBBS |
| 4820-01-539-3979 | 2016-08-222 | 1 | DIBBS |
| 30216 | 2014-01-06 | 1 | US |
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Related Products | NSN 4820-01-539-3979
Technical Data | NSN 4820-01-539-3979
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 316 STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.000 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.000 INCHES |
| VALVE SIZE | 0.750 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | OIL SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 3.875 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.500 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 2.750 INCHES ALL ENDS |
| FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS |
| RAISED FACE NOMINAL DIAMETER | 1.687 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 36.0 TO 42.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| III END ITEM IDENTIFICATION | NEW CONSTRUCTION LCS1 |
Restrictions/Controls & Freight Information | NSN 4820-01-539-3979
| 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 |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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. |
| 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 | ||
| 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 4820-01-539-3979
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable 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 |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |