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2280-400 PC 8 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2280-400 PC 8: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 3B, overall_height: 7.875 INCHES NOMINAL IN, pressure_rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 9.438 INCHES NOMINAL IN, nominal_thread_size: 4.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-189-3413, 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
2280-400 PC 8
NSN: 4810-01-189-3413
FSC: 4810 — Valves, Powered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thread_class3B
overall_height7.875 INCHES NOMINAL IN
pressure_rating250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter9.438 INCHES NOMINAL IN
nominal_thread_size4.500 INCHES IN
end_item_identificationNEWPORT NEWS SHIPBUILDING,AIRCRAFT CARRIER CVA(N)-68
thread_quantity_per_inch12
thread_series_designatorUN
NSN4810-01-189-3413
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2280-400 PC 8 · 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
•
PRESSURE RATING: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
OUTSIDE DIAMETER: 9.438 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 4.500 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT7.875 INCHES NOMINAL IN
PRESSURE RATING250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OUTSIDE DIAMETER9.438 INCHES NOMINAL IN
NOMINAL THREAD SIZE4.500 INCHES IN
THREAD CLASS3B
END ITEM IDENTIFICATIONNEWPORT NEWS SHIPBUILDING,AIRCRAFT CARRIER CVA(N)-68
THREAD QUANTITY PER INCH12
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUN
SUBSTITUTES & CROSS-REFERENCES 3
508-4325844Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
508-4325844 PC 8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2280-400Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2280-400 PC 8?
2280-400 PC 8 is a DISK,VALVE.
What parts can replace 2280-400 PC 8?
There are 3 known substitutes for 2280-400 PC 8: 508-4325844, 508-4325844 PC 8, 2280-400. Substitute compatibility should be verified for your specific system.
What is the NSN for 2280-400 PC 8?
2280-400 PC 8 is cataloged in the U.S. Government catalog under NSN 4810-01-189-3413. 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.