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4820PL1373781 — POPPET,OIL PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820PL1373781: POPPET,OIL PRESSURE.

The POPPET,OIL PRESSURE is a the manufacturer industrial component. Key specifications include end_item_identification: T-56 AIRCRAFT ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-671-2217, 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
4820PL1373781
NSN: 4820-00-671-2217
FSC: 4820 — Valves, Nonpowered
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
end_item_identificationT-56 AIRCRAFT ENGINE
NSN4820-00-671-2217
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL1373781 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONT-56 AIRCRAFT ENGINE
SUBSTITUTES & CROSS-REFERENCES 1
6789974Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4820PL1373781?
4820PL1373781 is a POPPET,OIL PRESSURE.
What parts can replace 4820PL1373781?
There is 1 known substitute for 4820PL1373781: 6789974. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL1373781?
4820PL1373781 is cataloged in the U.S. Government catalog under NSN 4820-00-671-2217. 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.