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Technical Data Sheet
PartsTable / COMPONENT / A7458.001.128
A7458.001.128 ✓ 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 A7458.001.128 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 4820-01-232-7252, 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
A7458.001.128
NSN: 4820-01-232-7252
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part NumberA7458.001.128
NSN4820-01-232-7252
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7458.001.128 · 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
•
MATERIAL: NICKEL ALLOY
•
OUTSIDE DIAMETER: 4.467 INCHES NOMINAL IN
•
PRESSURE RATING: 5.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
TEMP RATING: 425.0 FAHRENHEIT NOMINAL DEGF
•
SHOULDER HEIGHT: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
END ITEM IDENTIFICATIONKUNKLE 2.500 IN. SAFETY RELIEF VALVE TYPE 1741-1751 IN
OUTSIDE DIAMETER4.467 INCHES NOMINAL IN
PRESSURE RATING5.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TEMP RATING425.0 FAHRENHEIT NOMINAL DEGF
SHOULDER HEIGHT0.625 INCHES NOMINAL IN
OVERALL HEIGHT3.8125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
5300-669500Interchangeable
interchangeable cross-reference
interchangeable
20104Interchangeable
interchangeable cross-reference
interchangeable
16300-125PL ITEM 74Interchangeable
interchangeable cross-reference
interchangeable
G10832-23KInterchangeable
interchangeable cross-reference
interchangeable
18-013-214DUPInterchangeable
interchangeable cross-reference
interchangeable
4087-15938-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7458.001.128?
A7458.001.128 is a A7458.001.128.
What parts can replace A7458.001.128?
There are 26 known substitutes for A7458.001.128: 5300-669500, 20104, 16300-125PL ITEM 74 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7458.001.128?
A7458.001.128 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-232-7252. 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