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663J869PC18 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

663J869PC18: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-620-1037, 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
663J869PC18
NSN: 4820-00-620-1037
FSC: 4820 — Valves, Nonpowered
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM
NSN4820-00-620-1037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 663J869PC18 · 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 IDENTIFICATIONSTEAM TURBINE,SHIPS PROPULSION SYSTEM
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 5
1JA9161PC2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
905J537PC30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
905J386PC20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
906J404PC20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1JA9161-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 663J869PC18?
663J869PC18 is a DISK,VALVE.
What parts can replace 663J869PC18?
There are 5 known substitutes for 663J869PC18: 1JA9161PC2, 905J537PC30, 905J386PC20 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 663J869PC18?
663J869PC18 is cataloged in the U.S. Government catalog under NSN 4820-00-620-1037. This indicates validated use in U.S. government and defense supply chains.
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