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3180448-2 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3180448-2: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, special_features: 0.385 IN. LARGEST DIA; 0.190 IN.

GROOVE DEPTH IN, end_item_identification: MCDONNELL DOUGLAS AIRCRAFT MODEL NO. C17A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-398-2036, 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
3180448-2
NSN: 4820-01-398-2036
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
special_features0.385 IN. LARGEST DIA; 0.190 IN. GROOVE DEPTH IN
end_item_identificationMCDONNELL DOUGLAS AIRCRAFT MODEL NO. C17A
NSN4820-01-398-2036
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3180448-2 · 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
•
MATERIAL: STEEL CORROSION RESISTING SEAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES0.385 IN. LARGEST DIA; 0.190 IN. GROOVE DEPTH IN
END ITEM IDENTIFICATIONMCDONNELL DOUGLAS AIRCRAFT MODEL NO. C17A
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
3180448Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3180448-2?
3180448-2 is a SEAT,VALVE.
What parts can replace 3180448-2?
There is 1 known substitute for 3180448-2: 3180448. Substitute compatibility should be verified for your specific system.
What is the NSN for 3180448-2?
3180448-2 is cataloged in the U.S. Government catalog under NSN 4820-01-398-2036. 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.