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2640-820X8 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2640-820X8: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include component_quantity: 10. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-810-6486, 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
2640-820X8
NSN: 4820-00-810-6486
NIINs: 008106486, 011423012
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
component_quantity10
NSN4820-00-810-6486
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2640-820X8 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES FIRST END IN
•
CONNECTION STYLE: BEVELED (PIPE) FIRST END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: BUTT WELD PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BONNET TYPE: PACKING RETAINING
•
MEDIA FOR WHICH DESIGNED: WATER, SALT SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES FIRST END IN
CONNECTION STYLEBEVELED (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPEBUTT WELD PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPEPACKING RETAINING
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
MATERIALCOPPER ALLOY 964 BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 3
2640-820X8ASSYRATL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
2640-820X8L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2640-820X8ASSYRATReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 2640-820X8?
2640-820X8 is a PARTS KIT,BALL VALVE.
What parts can replace 2640-820X8?
There are 3 known substitutes for 2640-820X8: 2640-820X8ASSYRATL1, 2640-820X8L1, 2640-820X8ASSYRAT. Substitute compatibility should be verified for your specific system.
What is the NSN for 2640-820X8?
2640-820X8 is cataloged in the U.S. Government catalog under NSN 4820-00-810-6486. 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.