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20A39006 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20A39006: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, style_designator: PLAIN FLANGED, seat_angle_in_deg: 37.017 NOMINAL, fsc_application_data: GOVERNOR,GASOLINE ENGINE,MULTI-SYSTEM, seating_surface_shape: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-738-9104, 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
20A39006
NSN: 4820-00-738-9104
FSC: 4820 — Valves, Nonpowered
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
style_designatorPLAIN FLANGED
seat_angle_in_deg37.017 NOMINAL
fsc_application_dataGOVERNOR,GASOLINE ENGINE,MULTI-SYSTEM
seating_surface_shapeANGULAR
NSN4820-00-738-9104
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20A39006 · 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: GOVERNOR,GASOLINE ENGINE,MULTI-SYSTEM
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEAT ANGLE IN DEG: 37.017 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGOVERNOR,GASOLINE ENGINE,MULTI-SYSTEM
STYLE DESIGNATORPLAIN FLANGED
MATERIALSTEEL CORROSION RESISTING OVERALL
SEAT ANGLE IN DEG37.017 NOMINAL
SEATING SURFACE SHAPEANGULAR
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 20A39006?
20A39006 is a SEAT,VALVE.
What is the NSN for 20A39006?
20A39006 is cataloged in the U.S. Government catalog under NSN 4820-00-738-9104. 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.