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E20155N51M — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

E20155N51M: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY STEM, bonnet_type: INSIDE SCREW, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, connection_style: SOCKET WITH BRAZING RING (TUBE) SECOND END, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-265-7137, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
E20155N51M
NSN: 4820-01-265-7137
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY STEM
bonnet_typeINSIDE SCREW
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
connection_styleSOCKET WITH BRAZING RING (TUBE) SECOND END
style_designatorANGLE
nominal_thickness0.312 INCHES FIRST END IN
bolt_hole_quantity4 FIRST END
flange_face_designPLAIN FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-01-265-7137
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: E20155N51M · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION STYLE: SOCKET WITH BRAZING RING (TUBE) SECOND END
•
BOLT CIRCLE NOMINAL DIAMETER: 2.375 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE SECOND END
•
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) SECOND END
BOLT CIRCLE NOMINAL DIAMETER2.375 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.625 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E20155N51M?
E20155N51M is a VALVE,SAFETY RELIEF.
What is the NSN for E20155N51M?
E20155N51M is cataloged in the U.S. Government catalog under NSN 4820-01-265-7137. This indicates validated use in U.S. government and defense supply chains.
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