PartsTable
Technical Data Sheet
Download PDF

3169703-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3169703-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, flange_diameter: 1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 60.000 MINIMUM AND 61.000 MAXIMUM, under_flange_height: 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, body_inside_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-218-3418, 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
3169703-1
NSN: 4820-01-218-3418
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
flange_diameter1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg60.000 MINIMUM AND 61.000 MAXIMUM
under_flange_height0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
body_inside_diameter0.750 INCHES NOMINAL IN
body_outside_diameter1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
NSN4820-01-218-3418
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3169703-1 · 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: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SEAT ANGLE IN DEG: 60.000 MINIMUM AND 61.000 MAXIMUM
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
FLANGE DIAMETER1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.750 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEAT ANGLE IN DEG60.000 MINIMUM AND 61.000 MAXIMUM
SEATING SURFACE SHAPEANGULAR
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
3169703Reference 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
Ready to buy 3169703-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3169703-1?
3169703-1 is a SEAT,VALVE.
What parts can replace 3169703-1?
There is 1 known substitute for 3169703-1: 3169703. Substitute compatibility should be verified for your specific system.
What is the NSN for 3169703-1?
3169703-1 is cataloged in the U.S. Government catalog under NSN 4820-01-218-3418. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3169703-1

✓ 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.