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Technical Data Sheet
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11889N PC 8 — 11889N PC 8

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11889N PC 8: 11889N PC 8.

The 11889N PC 8 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-453-6026, 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 PC 8
NSN: 4820-01-453-6026
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number11889N PC 8
NSN4820-01-453-6026
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11889N PC 8 · 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
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
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VALVE MODEL NUMBER FOR WHICH DESIGNED: 11889N
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 2.656 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
VALVE MODEL NUMBER FOR WHICH DESIGNED11889N
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER2.656 INCHES NOMINAL IN
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALCOPPER ALLOY
ATTACHMENT METHODTHREADED
SUBSTITUTES & CROSS-REFERENCES 2
30818 4175Reference document
Same NSN cross-reference
Reference document — Secondary reference
11889NReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 PC 8?
11889N PC 8 is a 11889N PC 8.
What parts can replace 11889N PC 8?
There are 2 known substitutes for 11889N PC 8: 30818 4175, 11889N. Substitute compatibility should be verified for your specific system.
What is the NSN for 11889N PC 8?
11889N PC 8 is cataloged in the U.S. Government catalog under NSN 4820-01-453-6026. 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.