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2P3783 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2P3783: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.125 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.150 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 0.688 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-080-7160, 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
2P3783
NSN: 4820-01-080-7160
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.150 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size0.688 INCHES SINGLE THREADED PORTION IN
under_flange_height0.239 INCHES NOMINAL IN
body_inside_diameter0.375 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.281 INCHES NOMINAL IN
NSN4820-01-080-7160
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2P3783 · 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: 0.281 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.150 INCHES NOMINAL IN
•
THREAD LENGTH: 0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.688 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.239 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.281 INCHES NOMINAL IN
FLANGE DIAMETER1.150 INCHES NOMINAL IN
THREAD LENGTH0.125 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER0.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.688 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.239 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
246166Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2P3783?
2P3783 is a SEAT,VALVE.
What parts can replace 2P3783?
There is 1 known substitute for 2P3783: 246166. Substitute compatibility should be verified for your specific system.
What is the NSN for 2P3783?
2P3783 is cataloged in the U.S. Government catalog under NSN 4820-01-080-7160. 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.