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41-3-104 — SEAT,VALVE

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

41-3-104: SEAT,VALVE.

The SEAT,VALVE is a Legrand industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.930 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.607 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 2.750 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-097-1591, 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
41-3-104
NSN: 4820-00-097-1591
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.930 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.607 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size2.750 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.735 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-097-1591
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 41-3-104 · Legrand ⚠ 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
•
THREAD LENGTH: 0.930 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 1.735 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 2.750 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.607 INCHES NOMINAL IN
THREAD LENGTH0.930 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER1.735 INCHES NOMINAL IN
NOMINAL THREAD SIZE2.750 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
010-303-0072Reference 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 41-3-104?
41-3-104 is a SEAT,VALVE manufactured by Legrand.
What parts can replace 41-3-104?
There is 1 known substitute for 41-3-104: 010-303-0072. Substitute compatibility should be verified for your specific system.
What is the NSN for 41-3-104?
41-3-104 is cataloged in the U.S. Government catalog under NSN 4820-00-097-1591. 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.