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3169733-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3169733-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, special_features: 4 SLOTS EQUALLY SPACED,SLOT WIDTH 0.070 IN. NOMINAL; SEAT TAPERED AT 20 DEGREE ANGLE NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.105 INCHES NOMINAL IN, body_inside_diameter: 0.155 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-218-8029, 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
3169733-1
NSN: 4820-01-218-8029
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
special_features4 SLOTS EQUALLY SPACED,SLOT WIDTH 0.070 IN. NOMINAL; SEAT TAPERED AT 20 DEGREE ANGLE NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.105 INCHES NOMINAL IN
body_inside_diameter0.155 INCHES NOMINAL IN
body_outside_diameter0.300 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.055 INCHES NOMINAL IN
NSN4820-01-218-8029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3169733-1 · 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: 0.055 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.300 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.155 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.105 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.055 INCHES NOMINAL IN
FLANGE DIAMETER0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.300 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.155 INCHES NOMINAL IN
SPECIAL FEATURES4 SLOTS EQUALLY SPACED,SLOT WIDTH 0.070 IN. NOMINAL; SEAT TAPERED AT 20 DEGREE ANGLE NOMINAL IN
UNDER FLANGE HEIGHT0.105 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
3169733Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 3169733-1?
3169733-1 is a SEAT,VALVE.
What parts can replace 3169733-1?
There is 1 known substitute for 3169733-1: 3169733. Substitute compatibility should be verified for your specific system.
What is the NSN for 3169733-1?
3169733-1 is cataloged in the U.S. Government catalog under NSN 4820-01-218-8029. 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.