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N4171 — VALVE,RELAY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N4171: VALVE,RELAY.

The VALVE,RELAY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 6 PORTS 1/4-18 NPTF,1 PORT 3/4-14 NPTF,3 MTG HOLES 0.406 IN. DIA,O/A DIM.

5.780 IN. DIA BY 6.820 IN. H IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-835-4249, 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
N4171
NSN: 4820-00-835-4249
NIINs: 008354249, 008843888
FSC: 4820 — Valves, Nonpowered
CAGE: 33313 — KENTUCKY MFG CO (USA)
SPECIFICATIONS
general_characteristics_item_description6 PORTS 1/4-18 NPTF,1 PORT 3/4-14 NPTF,3 MTG HOLES 0.406 IN. DIA,O/A DIM. 5.780 IN. DIA BY 6.820 IN. H IN
NSN4820-00-835-4249
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N4171 · 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

No substitute or cross-reference records for this part.

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 N4171?
N4171 is a VALVE,RELAY.
What is the NSN for N4171?
N4171 is cataloged in the U.S. Government catalog under NSN 4820-00-835-4249. 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.