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NK241-1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NK241-1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include overall_length: 6.087 INCHES NOMINAL IN, largest_outside_diameter: 3.384 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-871-8422, 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
NK241-1
NSN: 4820-00-871-8422
FSC: 4820 — Valves, Nonpowered
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
overall_length6.087 INCHES NOMINAL IN
largest_outside_diameter3.384 INCHES NOMINAL IN
NSN4820-00-871-8422
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NK241-1 · 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
•
LARGEST OUTSIDE DIAMETER: 3.384 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER3.384 INCHES NOMINAL IN
OVERALL LENGTH6.087 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
NL-478Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
NK214-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3330168Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 NK241-1?
NK241-1 is a STEM,FLUID VALVE.
What parts can replace NK241-1?
There are 3 known substitutes for NK241-1: NL-478, NK214-1, 3330168. Substitute compatibility should be verified for your specific system.
What is the NSN for NK241-1?
NK241-1 is cataloged in the U.S. Government catalog under NSN 4820-00-871-8422. 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.