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A7457-001-130 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A7457-001-130: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 2.312 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 3.125 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 3.250 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-633-6984, 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
A7457-001-130
NSN: 4820-00-633-6984
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length2.312 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height3.125 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size3.250 INCHES SINGLE THREADED PORTION IN
body_inside_diameter2.500 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-00-633-6984
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7457-001-130 · 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: 2.312 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 3.250 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
•
MATERIAL: COPPER ALLOY 922 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.125 INCHES NOMINAL IN
THREAD LENGTH2.312 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER2.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE3.250 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
MATERIALCOPPER ALLOY 922 OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 3
8008-17Reference document
Same NSN cross-reference
Reference document — Secondary reference
8035PC18Reference document
Same NSN cross-reference
Reference document — Secondary reference
8008PC17Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A7457-001-130?
A7457-001-130 is a SEAT,VALVE.
What parts can replace A7457-001-130?
There are 3 known substitutes for A7457-001-130: 8008-17, 8035PC18, 8008PC17. Substitute compatibility should be verified for your specific system.
What is the NSN for A7457-001-130?
A7457-001-130 is cataloged in the U.S. Government catalog under NSN 4820-00-633-6984. 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.