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ASW433472Y12 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ASW433472Y12: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include overall_height: 0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN, style_designator: PLAIN, fsc_application_data: ACFT ENG R1820, body_outside_diameter: 3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-017-2606, 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
ASW433472Y12
NSN: 4820-00-017-2606
FSC: 4820 — Valves, Nonpowered
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
overall_height0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
style_designatorPLAIN
fsc_application_dataACFT ENG R1820
body_outside_diameter3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN4820-00-017-2606
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ASW433472Y12 · 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
•
FSC APPLICATION DATA: ACFT ENG R1820
•
BODY OUTSIDE DIAMETER: 3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
FSC APPLICATION DATAACFT ENG R1820
BODY OUTSIDE DIAMETER3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
SEATING SURFACE SHAPEFLAT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ASW433472Y12?
ASW433472Y12 is a SEAT,VALVE.
What is the NSN for ASW433472Y12?
ASW433472Y12 is cataloged in the U.S. Government catalog under NSN 4820-00-017-2606. 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.