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78N-4T003 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

78N-4T003: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: METAL GRAPHITE OVERALL, style_designator: PLAIN, end_item_identification: 3.00 INCH TRIPLE OFFSET BUTTERFLY VALVE; NIIN 016714236; IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-671-4263, 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
78N-4T003
NSN: 4820-01-671-4263
FSC: 4820 — Valves, Nonpowered
CAGE: 6SPR5 — FLOWLINE VALVE AND CONTROLS, L.L.C. (USA)
SPECIFICATIONS
materialMETAL GRAPHITE OVERALL
style_designatorPLAIN
end_item_identification3.00 INCH TRIPLE OFFSET BUTTERFLY VALVE; NIIN 016714236; IN
NSN4820-01-671-4263
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 78N-4T003 · 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
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: METAL GRAPHITE OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
END ITEM IDENTIFICATION3.00 INCH TRIPLE OFFSET BUTTERFLY VALVE; NIIN 016714236; IN
MATERIALMETAL GRAPHITE OVERALL
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
FL 78N-0150-1ABM REV C IT NO 2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 78N-4T003?
78N-4T003 is a SEAT,VALVE.
What parts can replace 78N-4T003?
There is 1 known substitute for 78N-4T003: FL 78N-0150-1ABM REV C IT NO 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 78N-4T003?
78N-4T003 is cataloged in the U.S. Government catalog under NSN 4820-01-671-4263. 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.