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Technical Data Sheet
PartsTable / COMPONENT / A7440.001.128
A7440.001.128 ✓ 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 A7440.001.128 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-901-2418, 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
A7440.001.128
NSN: 4820-00-901-2418
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part NumberA7440.001.128
NSN4820-00-901-2418
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7440.001.128 · 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
•
STYLE DESIGNATOR: PLAIN THREADED
•
SEATING SURFACE SHAPE: ANGULAR
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
•
NOMINAL THREAD SIZE: 2.125 INCHES SINGLE THREADED PORTION IN
•
BODY INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN THREADED
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
NOMINAL THREAD SIZE2.125 INCHES SINGLE THREADED PORTION IN
BODY INSIDE DIAMETER1.500 INCHES NOMINAL IN
OVERALL HEIGHT2.380 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD LENGTH2.000 INCHES NOMINAL SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
850628Interchangeable
interchangeable cross-reference
interchangeable
YR279Interchangeable
interchangeable cross-reference
interchangeable
SW106 FIND 5Interchangeable
interchangeable cross-reference
interchangeable
20212PC5Interchangeable
interchangeable cross-reference
interchangeable
A7440-002-128Interchangeable
interchangeable cross-reference
interchangeable
MV5491Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7440.001.128?
A7440.001.128 is a A7440.001.128.
What parts can replace A7440.001.128?
There are 17 known substitutes for A7440.001.128: 850628, YR279, SW106 FIND 5 and 14 more. Substitute compatibility should be verified for your specific system.
Is A7440.001.128 still available?
A7440.001.128 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