NSN 4820-01-420-8658 PLC11668, PLC-11668, PLC-11668 CDA-11803
Product Details | SAFETY RELIEF VALVE
4820-01-420-8658 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: PLC11668, PLC-11668, PLC-11668 CDA-11803, PLC11668CDA11803, PLC-11668CP CDA, PLC11668CPCDA, 4820-01-420-8658, 01-420-8658, 4820014208658, 014208658
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 26 OCT 1995 | 01-420-8658 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-420-8658
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Technical Data | NSN 4820-01-420-8658
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 632 BODY STEEL COMP 630 FLOW CONTROL DEVICE STEEL COMP 316 SEAT COPPER ALLOY 464 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B150, ALLOY C63200 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A564, ALLOY S17400 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-S-763, CLASS 316 SS FED SPEC SINGLE MATERIAL RESPONSE SEAT ASTM B21, ALLOY C464 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| MAXIMUM OPERATING PRESSURE | 5900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G20B SOCKET ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END 0.375 INCHES 2ND END |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 3000.0 TO 6875.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | NITROGEN CLEANED I/A/W MIL-STD-1330C (SHIPS) |
| III END ITEM IDENTIFICATION | NIMITZ CLASS CVN |
Restrictions/Controls & Freight Information | NSN 4820-01-420-8658
| 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 | 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 4820-01-420-8658
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 |
F EA : Each |