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D641-20 ITEM 23 — PARTS KIT,BUTTERFLY VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D641-20 ITEM 23: PARTS KIT,BUTTERFLY VALVE.

The PARTS KIT,BUTTERFLY VALVE is a the manufacturer industrial component. Key specifications include nonsupply_items_and_quantities: PACKING,PREFORMED 2,129 IN. LG INTUMESCENT 1,SILICONE TUBE 3 IN.

This part is cataloged in the U.S. Government catalog under NSN 4810-01-348-4417, 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
D641-20 ITEM 23
NSN: 4810-01-348-4417
FSC: 4810 — Valves, Powered
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
component_quantity6
nonsupply_items_and_quantitiesPACKING,PREFORMED 2,129 IN. LG INTUMESCENT 1,SILICONE TUBE 3 IN
NSN4810-01-348-4417
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D641-20 ITEM 23 · 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
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COMPONENT QUANTITY: 6
•
NONSUPPLY ITEMS AND QUANTITIES: PACKING,PREFORMED 2,129 IN. LG INTUMESCENT 1,SILICONE TUBE 3 IN
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY6
NONSUPPLY ITEMS AND QUANTITIESPACKING,PREFORMED 2,129 IN. LG INTUMESCENT 1,SILICONE TUBE 3 IN
SUBSTITUTES & CROSS-REFERENCES 3
015-935-200-641-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D641-20Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
015-935-200-641-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 D641-20 ITEM 23?
D641-20 ITEM 23 is a PARTS KIT,BUTTERFLY VALVE.
What parts can replace D641-20 ITEM 23?
There are 3 known substitutes for D641-20 ITEM 23: 015-935-200-641-002, D641-20, 015-935-200-641-000. Substitute compatibility should be verified for your specific system.
What is the NSN for D641-20 ITEM 23?
D641-20 ITEM 23 is cataloged in the U.S. Government catalog under NSN 4810-01-348-4417. This indicates validated use in U.S. government and defense supply chains.
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