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208-4325303 — VALVE ASSEMBLY,MANIFOLD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

208-4325303: VALVE ASSEMBLY,MANIFOLD.

The VALVE ASSEMBLY,MANIFOLD is a the manufacturer industrial component. Key specifications include valve_size: 4.000 INCHES IN, body_material: COPPER ALLOY, connection_type: FLANGE, ROUND W/HOLES, flange_diameter: 7.688 INCHES IN, flange_face_design: PLAIN, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-175-6456, 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
208-4325303
NSN: 4820-01-175-6456
NIINs: 011756456, 011818657, 014160449
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
valve_size4.000 INCHES IN
body_materialCOPPER ALLOY
valve_quantity6
connection_typeFLANGE, ROUND W/HOLES
flange_diameter7.688 INCHES IN
bolt_hole_quantity7
flange_face_designPLAIN
valve_operation_methodMANUAL
end_connection_quantity3
end_item_identificationNIMITZ CLASS CVN
furnished_items_and_quantity1 HANDWHEEL
NSN4820-01-175-6456
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 208-4325303 · 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
•
LARGEST OUTSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER1.312 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH12.750 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
6553-255 PIECE 11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6553-255Reference 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 demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 208-4325303?
208-4325303 is a VALVE ASSEMBLY,MANIFOLD.
What parts can replace 208-4325303?
There are 2 known substitutes for 208-4325303: 6553-255 PIECE 11, 6553-255. Substitute compatibility should be verified for your specific system.
What is the NSN for 208-4325303?
208-4325303 is cataloged in the U.S. Government catalog under NSN 4820-01-175-6456. 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.