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3120188 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3120188: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, flange_diameter: 0.672 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, surface_treatment: ANODIZE OVERALL, under_flange_height: 0.141 INCHES NOMINAL IN, body_inside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-920-3395, 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
3120188
NSN: 4810-00-920-3395
FSC: 4810 — Valves, Powered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
flange_diameter0.672 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
surface_treatmentANODIZE OVERALL
under_flange_height0.141 INCHES NOMINAL IN
body_inside_diameter0.375 INCHES NOMINAL IN
body_outside_diameter0.562 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.344 INCHES NOMINAL IN
material_document_and_classificationQQ-A-22578.6061 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4810-00-920-3395
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3120188 · 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: 0.344 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.672 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-22578.6061 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
UNDER FLANGE HEIGHT: 0.141 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.344 INCHES NOMINAL IN
FLANGE DIAMETER0.672 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-22578.6061 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.375 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
UNDER FLANGE HEIGHT0.141 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 OVERALL
SEATING SURFACE SHAPEFLAT
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3120188?
3120188 is a SEAT,VALVE.
What is the NSN for 3120188?
3120188 is cataloged in the U.S. Government catalog under NSN 4810-00-920-3395. 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.