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UH25189 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

UH25189: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OR STEEL CORROSION RESISTING SEAT, overall_height: 0.500 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 1.117 INCHES NOMINAL IN, body_outside_diameter: 1.590 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-879-9345, 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
UH25189
NSN: 4820-00-879-9345
FSC: 4820 — Valves, Nonpowered
CAGE: 12736 — CLAYTON MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialPLASTIC OR STEEL CORROSION RESISTING SEAT
overall_height0.500 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter1.117 INCHES NOMINAL IN
body_outside_diameter1.590 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-00-879-9345
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: UH25189 · 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: 1.590 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.117 INCHES NOMINAL IN
•
MATERIAL: PLASTIC BODY
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.590 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.117 INCHES NOMINAL IN
MATERIALPLASTIC BODY
MATERIALPLASTIC OR STEEL CORROSION RESISTING SEAT
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UH25189?
UH25189 is a SEAT,VALVE.
What is the NSN for UH25189?
UH25189 is cataloged in the U.S. Government catalog under NSN 4820-00-879-9345. 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.