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6553-255 PIECE 7 — VALVE ASSEMBLY,MANIFOLD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6553-255 PIECE 7: VALVE ASSEMBLY,MANIFOLD.

The VALVE ASSEMBLY,MANIFOLD is a the manufacturer industrial component. Key specifications include body_material: COPPER ALLOY, end_item_identification: NIMITZ CLASS CVN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-8298, 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
6553-255 PIECE 7
NSN: 4820-01-415-8298
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
body_materialCOPPER ALLOY
valve_quantity8
end_item_identificationNIMITZ CLASS CVN
NSN4820-01-415-8298
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6553-255 PIECE 7 · 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 4
6553-255Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4325303Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4325303 PIECE 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
208-4325303 PIECE 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6553-255 PIECE 7?
6553-255 PIECE 7 is a VALVE ASSEMBLY,MANIFOLD.
What parts can replace 6553-255 PIECE 7?
There are 4 known substitutes for 6553-255 PIECE 7: 6553-255, 4325303, 4325303 PIECE 7 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6553-255 PIECE 7?
6553-255 PIECE 7 is cataloged in the U.S. Government catalog under NSN 4820-01-415-8298. This indicates validated use in U.S. government and defense supply chains.
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