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H643-6506-5 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H643-6506-5: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include overall_length: 23.870 INCHES NOMINAL IN, outside_diameter: 2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN, end_item_identification: VALVE ASSEMBLY, SNORKLE, valve_design_control_activity: 96169, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-498-2149, 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
H643-6506-5
NSN: 4810-01-498-2149
FSC: 4810 — Valves, Powered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
overall_length23.870 INCHES NOMINAL IN
outside_diameter2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN
end_item_identificationVALVE ASSEMBLY, SNORKLE
valve_design_control_activity96169
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
NSN4810-01-498-2149
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H643-6506-5 · 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
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
•
OUTSIDE DIAMETER: 2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN
•
VALVE DESIGN CONTROL ACTIVITY: 96169
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
OUTSIDE DIAMETER2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN
OVERALL LENGTH23.870 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY96169
END ITEM IDENTIFICATIONVALVE ASSEMBLY, SNORKLE
SUBSTITUTES & CROSS-REFERENCES 1
7107384Reference 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 H643-6506-5?
H643-6506-5 is a PISTON,VALVE.
What parts can replace H643-6506-5?
There is 1 known substitute for H643-6506-5: 7107384. Substitute compatibility should be verified for your specific system.
What is the NSN for H643-6506-5?
H643-6506-5 is cataloged in the U.S. Government catalog under NSN 4810-01-498-2149. 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.