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F141U — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

F141U: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: LEATHER, outside_diameter: 2.750 INCHES NOMINAL IN, special_features: U/O DELANY FLUSHBOY VALVES; INCLUDES: FIBER WASHER 2,RUBBER WASHER 1, style_designator: SPECIAL SHAPED, center_hole_diameter: 0.625 INCHES NOMINAL IN, media_for_which_designed: WATER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-400-5154, 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
F141U
NSN: 4820-00-400-5154
FSC: 4820 — Valves, Nonpowered
CAGE: 71718 — COYNE & DELANY COMPANY DBA DELANY PRODUCTS DIV DELANY PRODUCTS (USA)
SPECIFICATIONS
materialLEATHER
outside_diameter2.750 INCHES NOMINAL IN
special_featuresU/O DELANY FLUSHBOY VALVES; INCLUDES: FIBER WASHER 2,RUBBER WASHER 1
style_designatorSPECIAL SHAPED
center_hole_diameter0.625 INCHES NOMINAL IN
media_for_which_designedWATER
NSN4820-00-400-5154
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F141U · 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
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
CENTER HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: WATER
•
MATERIAL: LEATHER
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
SPECIAL FEATURESU/O DELANY FLUSHBOY VALVES; INCLUDES: FIBER WASHER 2,RUBBER WASHER 1
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER
MATERIALLEATHER
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
053611Reference 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 F141U?
F141U is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace F141U?
There is 1 known substitute for F141U: 053611. Substitute compatibility should be verified for your specific system.
What is the NSN for F141U?
F141U is cataloged in the U.S. Government catalog under NSN 4820-00-400-5154. 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.