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A6790-014-127 1-4IN — 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 5.875 INCHES NOMINAL IN, stem_actuating_end_type: ROUNDED AND SQUARE, largest_outside_diameter: 0.500 INCHES NOMINAL IN, valve_size_for_which_designed: 0.250 INCHES IN, valve_type_for_which_designed: RELIEF. This part is cataloged in the Federal Logistics Information System under NSN 4820-01-066-9582, 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
A6790-014-127 1-4IN
NSN: 4820-01-066-9582
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length5.875 INCHES NOMINAL IN
stem_actuating_end_typeROUNDED AND SQUARE
largest_outside_diameter0.500 INCHES NOMINAL IN
valve_size_for_which_designed0.250 INCHES IN
valve_type_for_which_designedRELIEF
NSN4820-01-066-9582
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A6790-014-127 1-4IN · 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
•
MATERIAL: NICKEL ALLOY
•
VALVE SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
STEM ACTUATING END TYPE: ROUNDED AND SQUARE
•
LARGEST OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIALNICKEL ALLOY
VALVE SIZE FOR WHICH DESIGNED0.250 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDRELIEF
STEM ACTUATING END TYPEROUNDED AND SQUARE
LARGEST OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH5.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
858-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
03743InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A85-85InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1789810-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-V-20065InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20257 FIND 11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6790-014-127 1-4IN?
A6790-014-127 1-4IN is a STEM,FLUID VALVE.
What parts can replace A6790-014-127 1-4IN?
There are 15 known substitutes for A6790-014-127 1-4IN: 858-5, 03743, A85-85 and 12 more. Substitute compatibility should be verified for your specific system.
Is A6790-014-127 1-4IN still available?
A6790-014-127 1-4IN 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: September 2026