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Technical Data Sheet
PartsTable / COMPONENT / A6790.026.127
A6790.026.127 ✓ 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 A6790.026.127 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-127-2662, 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
A6790.026.127
NSN: 4820-01-127-2662
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part NumberA6790.026.127
NSN4820-01-127-2662
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A6790.026.127 · 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
•
LARGEST OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: TYPE 1741, 5-150 PSIG
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
MATERIAL: NICKEL ALLOY
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
OVERALL LENGTH6.875 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNEDTYPE 1741, 5-150 PSIG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDRELIEF
MATERIALNICKEL ALLOY
STEM ACTUATING END TYPETHREADED EXTERNALLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
201-25Interchangeable
interchangeable cross-reference
interchangeable
672-1001-000Interchangeable
interchangeable cross-reference
interchangeable
134-021-0002Interchangeable
interchangeable cross-reference
interchangeable
110 1-25/64Interchangeable
interchangeable cross-reference
interchangeable
53189Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6790.026.127?
A6790.026.127 is a A6790.026.127.
What parts can replace A6790.026.127?
There are 16 known substitutes for A6790.026.127: 201-25, 672-1001-000, 134-021-0002 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6790.026.127?
A6790.026.127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-127-2662. 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: July 2026