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Technical Data Sheet
PartsTable / COMPONENT / 1025-611
1025-611 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The COCK,SHUTOFF,SCREW STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, flow_control_device: DISK OR STEM, valve_operation_method: MANUAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-254-8639, 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
1025-611
NSN: 4820-00-254-8639
FSC: 4820
CAGE: 1M813 — ELECTROMECHANICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
flow_control_deviceDISK OR STEM
valve_operation_methodMANUAL
end_item_identificationRADAR; NEXT GENERATION RADAR (NEXRAD)
furnished_items_and_quantity2 NUT
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4820-00-254-8639
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1025-611 · 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
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
FLOW CONTROL DEVICE: DISK OR STEM
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
CONNECTION STYLESOCKET (TUBE) ALL ENDS
FLOW CONTROL DEVICEDISK OR STEM
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
END ITEM IDENTIFICATIONRADAR; NEXT GENERATION RADAR (NEXRAD)
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY OVERALL
FURNISHED ITEMS AND QUANTITY2 NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
P500-2 1-2IN1-8LM160Interchangeable
interchangeable cross-reference
interchangeable
048536Interchangeable
interchangeable cross-reference
interchangeable
P500Interchangeable
interchangeable cross-reference
interchangeable
6765Interchangeable
interchangeable cross-reference
interchangeable
1025-611Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-83798/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1025-611?
1025-611 is a COCK,SHUTOFF,SCREW STEM.
What parts can replace 1025-611?
There are 13 known substitutes for 1025-611: P500-2 1-2IN1-8LM160, 048536, P500 and 10 more. Substitute compatibility should be verified for your specific system.
Is 1025-611 still available?
1025-611 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026