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6559-48 PC 2 — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6559-48 PC 2: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, thickness: 0.750 INCHES NOMINAL IN, body_material: COPPER ALLOY, bore_diameter: 0.7190 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, style_designator: PLAIN ROUND. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-384-1044, 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
6559-48 PC 2
NSN: 4820-01-384-1044
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
thickness0.750 INCHES NOMINAL IN
body_materialCOPPER ALLOY
bore_diameter0.7190 INCHES NOMINAL IN
valve_quantity4
outside_diameter1.250 INCHES NOMINAL IN
style_designatorPLAIN ROUND
securing_hole_quantity2
valve_operation_methodAIR AND MANUAL
hole_diameter_and_location0.1880 INCHES NOMINAL ALL HOLES IN
furnished_items_and_quantity1 HANDWHEEL
securing_hole_type_and_locationUNTHREADED ALL HOLES
NSN4820-01-384-1044
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6559-48 PC 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
SUBSTITUTES & CROSS-REFERENCES 1
4325727Reference 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 6559-48 PC 2?
6559-48 PC 2 is a CAP,VALVE.
What parts can replace 6559-48 PC 2?
There is 1 known substitute for 6559-48 PC 2: 4325727. Substitute compatibility should be verified for your specific system.
What is the NSN for 6559-48 PC 2?
6559-48 PC 2 is cataloged in the U.S. Government catalog under NSN 4820-01-384-1044. 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.