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20258-C-41M — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20258-C-41M: VALVE,SAFETY RELIEF.

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

Government catalog under NSN 4820-01-382-2073, 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
20258-C-41M
NSN: 4820-01-382-2073
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
connection_styleSOCKET WITH BRAZING RING SECOND END
style_designatorANGLE
nominal_thickness0.375 INCHES FIRST END IN
bolt_hole_quantity3 FIRST END
flange_face_designPLAIN FIRST END
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodMANUAL
NSN4820-01-382-2073
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20258-C-41M · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION STYLE: SOCKET WITH BRAZING RING SECOND END
•
BOLT CIRCLE NOMINAL DIAMETER: 2.438 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE SECOND END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END IN
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION STYLESOCKET WITH BRAZING RING SECOND END
BOLT CIRCLE NOMINAL DIAMETER2.438 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE SECOND END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.375 INCHES FIRST 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 1
MIL-V-20065Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20258-C-41M?
20258-C-41M is a VALVE,SAFETY RELIEF.
What parts can replace 20258-C-41M?
There is 1 known substitute for 20258-C-41M: MIL-V-20065. Substitute compatibility should be verified for your specific system.
What is the NSN for 20258-C-41M?
20258-C-41M is cataloged in the U.S. Government catalog under NSN 4820-01-382-2073. This indicates validated use in U.S. government and defense supply chains.
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