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A7430.002.127 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A7430.002.127: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-613-5823, 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
A7430.002.127
NSN: 4820-00-613-5823
NIINs: 006135823, 012272884
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-00-613-5823
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7430.002.127 · 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
•
THREAD LENGTH: 1.438 INCHES NOMINAL SINGLE THREADED PORTION IN
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.750 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 18 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.688 INCHES NOMINAL IN
THREAD LENGTH1.438 INCHES NOMINAL SINGLE THREADED PORTION IN
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.750 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
MATERIALNICKEL ALLOY OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SUBSTITUTES & CROSS-REFERENCES 1
07430002127Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A7430.002.127?
A7430.002.127 is a SEAT,VALVE.
What parts can replace A7430.002.127?
There is 1 known substitute for A7430.002.127: 07430002127. Substitute compatibility should be verified for your specific system.
What is the NSN for A7430.002.127?
A7430.002.127 is cataloged in the U.S. Government catalog under NSN 4820-00-613-5823. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.