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4327F PIECE 3 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4327F PIECE 3: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, overall_height: 0.500 INCHES NOMINAL IN, style_designator: PLAIN, body_outside_diameter: 4.875 INCHES NOMINAL IN, material_document_and_classification: MIL-E-1675A MIL SPEC SINGLE MATERIAL RESPONSE SEAT A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-235-1458, 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
4327F PIECE 3
NSN: 4820-01-235-1458
FSC: 4820 — Valves, Nonpowered
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
overall_height0.500 INCHES NOMINAL IN
style_designatorPLAIN
body_outside_diameter4.875 INCHES NOMINAL IN
material_document_and_classificationMIL-E-1675A MIL SPEC SINGLE MATERIAL RESPONSE SEAT A
NSN4820-01-235-1458
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4327F PIECE 3 · 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
•
BODY OUTSIDE DIAMETER: 4.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-E-1675A MIL SPEC SINGLE MATERIAL RESPONSE SEAT A
•
MATERIAL: STEEL CORROSION RESISTING SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.875 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-E-1675A MIL SPEC SINGLE MATERIAL RESPONSE SEAT A
MATERIALSTEEL CORROSION RESISTING SEAT
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 1
4327F3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 4327F PIECE 3?
4327F PIECE 3 is a SEAT,VALVE.
What parts can replace 4327F PIECE 3?
There is 1 known substitute for 4327F PIECE 3: 4327F3. Substitute compatibility should be verified for your specific system.
What is the NSN for 4327F PIECE 3?
4327F PIECE 3 is cataloged in the U.S. Government catalog under NSN 4820-01-235-1458. 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.