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11LVT3 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11LVT3: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.195 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.924 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-459-2768, 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
11LVT3
NSN: 4820-00-459-2768
FSC: 4820 — Valves, Nonpowered
CAGE: 26044 — SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.195 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter0.924 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size0.625 INCHES SINGLE THREADED PORTION IN
under_flange_height0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
body_inside_diameter0.312 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_series_designatorUNEF SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.060 INCHES NOMINAL IN
NSN4820-00-459-2768
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11LVT3 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.060 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.924 INCHES NOMINAL IN
•
THREAD LENGTH: 0.195 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.625 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
THREAD CLASS: 3A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.060 INCHES NOMINAL IN
FLANGE DIAMETER0.924 INCHES NOMINAL IN
THREAD LENGTH0.195 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER0.312 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
THREAD CLASS3A SINGLE THREADED PORTION A
MATERIALSTEEL COMP 416 OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
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

No substitute or cross-reference records for this part.

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 11LVT3?
11LVT3 is a SEAT,VALVE.
What is the NSN for 11LVT3?
11LVT3 is cataloged in the U.S. Government catalog under NSN 4820-00-459-2768. 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.