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Technical Data Sheet
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1890171 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1890171: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: PACER DAWN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-149-1710, 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
1890171
NSN: 4820-01-149-1710
NIINs: 011491710, 013465662
FSC: 4820 — Valves, Nonpowered
CAGE: 64546 — DISCOVERY CORPORATION (USA)
SPECIFICATIONS
end_item_identificationPACER DAWN
NSN4820-01-149-1710
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1890171 · 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
3510-26Reference 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 1890171?
1890171 is a DISK,VALVE.
What parts can replace 1890171?
There is 1 known substitute for 1890171: 3510-26. Substitute compatibility should be verified for your specific system.
What is the NSN for 1890171?
1890171 is cataloged in the U.S. Government catalog under NSN 4820-01-149-1710. This indicates validated use in U.S. government and defense supply chains.
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