NSN 4820-01-346-1697 845-6556172 ITEM 1 MOD, 845-6556172 ITEM 1 MODL1, 845-6556172-1 MOD
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-346-1697 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Part Alternates: 845-6556172 ITEM 1 MOD, 845-6556172 ITEM 1 MODL1, 845-6556172-1 MOD, 845-6556172-1 MODL1, 84565561721MOD, 84565561721MODL1, 8456556172ITEM1MOD, 8456556172ITEM1MODL1, 4820-01-346-1697, 01-346-1697, 4820013461697, 013461697
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 28 SEP 1991 | 01-346-1697 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Drawings & Photos | NSN 4820-01-346-1697
Cross Reference | NSN 4820-01-346-1697
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Technical Data | NSN 4820-01-346-1697
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A7 ANGLE |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.120 INCHES NOMINAL |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES NOMINAL |
| BODY MATERIAL | ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| MANUFACTURERS CODE | 53711 |
| DESIGN CONTROL REFERENCE | 845-6556172 ITEM 1 MOD |
Restrictions/Controls & Freight Information | NSN 4820-01-346-1697
| 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: | A | Item does not contain precious metal |
| Criticality Code: | S | The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. |
| 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 4820-01-346-1697
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 1H | Consumable material assigned to NAVICP MECH for inventory management Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | L1 | An items that supports either a SUBSAFE or Level 1 system that has undergone the extreme material control and quality assurance techniques that provide objective exidence of its acceptance for its appropriate application. Each item has certification papers (or special markings that provide traceability to the certification) that pedigree its material and physical properties, provide traceability, to manufacturer, contract list and lot, and document the quality assurance system and test requirements applied to the item. |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | NRP | NAVICP-ERP 700 Robbins Avenue Philadelphia, PA 19111-5098 |
| 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 |