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139-1 PIECE 3 — Technical Data Sheet

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— · 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 COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include features_provided: UPPER STEM, stem_actuating_end_type: SQUARE, largest_outside_diameter: 0.563 INCHES NOMINAL IN, valve_size_for_which_designed: 3.000 INCHES IN, valve_type_for_which_designed: BUTTERFLY, valve_model_number_for_which_designed: 139. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-251-6226, 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
139-1 PIECE 3
NSN: 4820-01-251-6226
FSC: 4820
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
features_providedUPPER STEM
stem_actuating_end_typeSQUARE
largest_outside_diameter0.563 INCHES NOMINAL IN
valve_size_for_which_designed3.000 INCHES IN
valve_type_for_which_designedBUTTERFLY
valve_model_number_for_which_designed139
NSN4820-01-251-6226
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 139-1 PIECE 3 · 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
•
FEATURES PROVIDED: UPPER STEM
•
STEM ACTUATING END TYPE: SQUARE
•
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
•
VALVE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 139
•
LARGEST OUTSIDE DIAMETER: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDUPPER STEM
STEM ACTUATING END TYPESQUARE
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
VALVE SIZE FOR WHICH DESIGNED3.000 INCHES IN
VALVE MODEL NUMBER FOR WHICH DESIGNED139
LARGEST OUTSIDE DIAMETER0.563 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1391InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12265608InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DC2615InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
850653InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Y400K234InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N52636PCKYInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 139-1 PIECE 3?
139-1 PIECE 3 is a COVER,ELECTRICAL CONNECTOR.
What parts can replace 139-1 PIECE 3?
There are 19 known substitutes for 139-1 PIECE 3: 1391, 12265608, DC2615 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 139-1 PIECE 3?
139-1 PIECE 3 is cataloged in the Federal Logistics Information System under NSN 4820-01-251-6226. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026