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234120 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

234120: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON FACE, flange_diameter: 1.062 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.192 INCHES NOMINAL IN, body_outside_diameter: 0.875 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-024-1389, 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
234120
NSN: 4820-00-024-1389
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON FACE
flange_diameter1.062 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.192 INCHES NOMINAL IN
body_outside_diameter0.875 INCHES NOMINAL IN
seating_surface_shapeFLAT
body_stepped_inside_diameter0.750 INCHES NOMINAL SECOND STEP IN
flange_seat_to_disk_end_height0.290 INCHES NOMINAL IN
NSN4820-00-024-1389
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 234120 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.290 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.062 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
BODY STEPPED INSIDE DIAMETER: 0.500 INCHES NOMINAL FIRST STEP IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
UNDER FLANGE HEIGHT: 0.192 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 416 BODY
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.290 INCHES NOMINAL IN
FLANGE DIAMETER1.062 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
BODY STEPPED INSIDE DIAMETER0.500 INCHES NOMINAL FIRST STEP IN
BODY STEPPED INSIDE DIAMETER0.750 INCHES NOMINAL SECOND STEP IN
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.192 INCHES NOMINAL IN
MATERIALSTEEL COMP 416 BODY
MATERIALPLASTIC POLYAMIDE NYLON FACE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 234120?
234120 is a SEAT,VALVE.
What is the NSN for 234120?
234120 is cataloged in the U.S. Government catalog under NSN 4820-00-024-1389. 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.