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501-1789 — NRP,VALVE,BUTTERFL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

501-1789: NRP,VALVE,BUTTERFL.

The NRP,VALVE,BUTTERFL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-604-3800, 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
501-1789
NSN: 4820-01-604-3800
NIINs: 016043800, 016067039
FSC: 4820 — Valves, Nonpowered
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
Part Number501-1789
NSN4820-01-604-3800
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 501-1789 · 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
501-1771 PC. NO. 1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 501-1789?
501-1789 is a NRP,VALVE,BUTTERFL.
What parts can replace 501-1789?
There is 1 known substitute for 501-1789: 501-1771 PC. NO. 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 501-1789?
501-1789 is cataloged in the U.S. Government catalog under NSN 4820-01-604-3800. This indicates validated use in U.S. government and defense supply chains.
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