NSN 4820-01-268-4076

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-268-4076 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.

Alternate Parts: 2R2634, 3322165020, 332-2165-020, 4820-01-268-4076, 01-268-4076, 4820012684076, 012684076

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 29, 198701-268-407616996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

FLARED

FLARED

FLARED

FLARED

Cross Reference | NSN 4820-01-268-4076
Part Number Cage Code Manufacturer
2R263499240CRISSAIR, INC.DIV ESCO TECHNOLOGIES
332-2165-02095105ROCKWELL COLLINS, INC.DIV GOVERNMENT SYSTEMS - DALLAS
Technical Data | NSN 4820-01-268-4076
Characteristic Specifications
BODY STYLE STRAIGHT THRU
BODY MATERIAL ALUMINUM ALLOY, 2024, T4
OUTSIDE SURFACE TREATMENT ANODIZED, MIL-A-8625
FLOW CONTROL DEVICEW ANY ACCEPTABLE
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR FLARED
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES NOMINAL
FIRST END THREAD CLASS3A
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END SEAT ANGLE IN DEG37.0
FIRST END SEAT RADIUS0.031 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
TEMP CONTROL DEVICE TYPE THERMOSTATIC