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N18373 — SLEEVE,DIRECTIONAL CONTROL LINEA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N18373: SLEEVE,DIRECTIONAL CONTROL LINEA.

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include material: STEEL OR COPPER ALLOY, special_features: 3.131 IN.OD;1.736 IN.ID;2.067 IN.H;COUNTERSINK BOTH ENDS 0.208 IN.DP IN, end_item_identification: LESLIE COMPANY,VALVE DN5-22B5A2NL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-602-2590, 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
N18373
NSN: 4820-00-602-2590
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OR COPPER ALLOY
special_features3.131 IN.OD;1.736 IN.ID;2.067 IN.H;COUNTERSINK BOTH ENDS 0.208 IN.DP IN
end_item_identificationLESLIE COMPANY,VALVE DN5-22B5A2NL
NSN4820-00-602-2590
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N18373 · 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
•
MATERIAL: STEEL OR COPPER ALLOY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES3.131 IN.OD;1.736 IN.ID;2.067 IN.H;COUNTERSINK BOTH ENDS 0.208 IN.DP IN
END ITEM IDENTIFICATIONLESLIE COMPANY,VALVE DN5-22B5A2NL
MATERIALSTEEL OR COPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
18373Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 N18373?
N18373 is a SLEEVE,DIRECTIONAL CONTROL LINEA.
What parts can replace N18373?
There is 1 known substitute for N18373: 18373. Substitute compatibility should be verified for your specific system.
What is the NSN for N18373?
N18373 is cataloged in the U.S. Government catalog under NSN 4820-00-602-2590. 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.