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NNK62-18 PIECE 18 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NNK62-18 PIECE 18: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER DISK, stem_type: RISING, valve_size: 3.500 INCHES IN, bonnet_type: INSIDE SCREW, connection_type: FLANGE, ROUND W/O HOLES, flange_diameter: 8.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-365-4564, 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
NNK62-18 PIECE 18
NSN: 4820-01-365-4564
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialCOPPER DISK
stem_typeRISING
valve_size3.500 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeFLANGE, ROUND W/O HOLES
flange_diameter8.500 INCHES IN
flange_face_designPLAIN
face_to_face_distance6.500 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
inlet_relationship_with_outletIDENTICAL
NSN4820-01-365-4564
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NNK62-18 PIECE 18 · 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
NNK62-18Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 NNK62-18 PIECE 18?
NNK62-18 PIECE 18 is a SEAT,VALVE.
What parts can replace NNK62-18 PIECE 18?
There is 1 known substitute for NNK62-18 PIECE 18: NNK62-18. Substitute compatibility should be verified for your specific system.
What is the NSN for NNK62-18 PIECE 18?
NNK62-18 PIECE 18 is cataloged in the U.S. Government catalog under NSN 4820-01-365-4564. 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.