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11889N — 11889N

✓ Government record, cited
LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC · GATE VALVE
PRODUCT OVERVIEW

11889N: 11889N.

The 11889N is a LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC industrial component. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-453-6021, 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
11889N
NSN: 4820-01-453-6021
NIINs: 014536021, 014536026
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number11889N
ManufacturerLESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC
NSN4820-01-453-6021
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11889N · LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC ⚠ 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
•
STYLE DESIGNATOR: DOUBLE FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.218 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.188 INCHES SINGLE THREADED PORTION IN
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THREAD CLASS: 3A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.071 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.218 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.188 INCHES SINGLE THREADED PORTION IN
THREAD CLASS3A SINGLE THREADED PORTION A
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
SUBSTITUTES & CROSS-REFERENCES 2
11889N PC 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
49120 0058Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 11889N?
11889N is a 11889N manufactured by LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC.
What parts can replace 11889N?
There are 2 known substitutes for 11889N: 11889N PC 10, 49120 0058. Substitute compatibility should be verified for your specific system.
What is the NSN for 11889N?
11889N is cataloged in the U.S. Government catalog under NSN 4820-01-453-6021. 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.