NSN 4820-00-903-7241 FTWC2251, FTWC225-1, 537A4D20
Product Details | SAFETY RELIEF VALVE
4820-00-903-7241 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: FTWC2251, FTWC225-1, 537A4D20, 4820-00-903-7241, 00-903-7241, 4820009037241, 009037241
Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | 17 JUN 1966 | 00-903-7241 | 05488 ( VALVE, SAFETY RELIEF ) |
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Related Products | NSN 4820-00-903-7241
Technical Data | NSN 4820-00-903-7241
Characteristic | Specifications |
---|---|
MATERIAL | ALUMINUM ALLOY BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
STYLE DESIGNATOR | C4 STRAIGHT THRU |
FLOW CONTROL DEVICE | POPPET |
MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
VALVE OPERATION METHOD | AUTOMATIC |
CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
CONNECTION STYLE | G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END |
THREAD SERIES DESIGNATOR | UNF 1ST END |
NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
THREAD CLASS | 3A 1ST END |
THREAD DIRECTION | RIGHT-HAND 1ST END |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |
MANUFACTURERS CODE | 91816 |
DESIGN CONTROL REFERENCE | 537A4D20 |
Restrictions/Controls & Freight Information | NSN 4820-00-903-7241
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: | 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 | 000000 | NO NMFC FREIGHT DESCRIPTION |
Less than car load rating | ||
Less than truck load rating | Z | No Rating |
Water commodity Code | 772 | 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 4820-00-903-7241
Category | Code | Description |
---|---|---|
Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
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 |