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20WR-1.5-19 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20WR-1.5-19: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, overall_height: 0.156 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 0.688 INCHES NOMINAL IN, body_outside_diameter: 1.750 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-131-9605, 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
20WR-1.5-19
NSN: 4820-01-131-9605
FSC: 4820 — Valves, Nonpowered
CAGE: 77653 — ROSS VALVE MANUFACTURING COMPANY, INC. DIV ROSS VALVE MFG CO. (USA)
SPECIFICATIONS
materialLEATHER OVERALL
overall_height0.156 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter0.688 INCHES NOMINAL IN
body_outside_diameter1.750 INCHES NOMINAL IN
seating_surface_shapeFLAT
material_document_and_classification20WR-1.5-9 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-131-9605
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20WR-1.5-19 · 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
•
BODY OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 20WR-1.5-9 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.156 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATION20WR-1.5-9 MFR REF SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.688 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 3
DM5760Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DM5670-17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DM5760-17Same 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 20WR-1.5-19?
20WR-1.5-19 is a SEAT,VALVE.
What parts can replace 20WR-1.5-19?
There are 3 known substitutes for 20WR-1.5-19: DM5760, DM5670-17, DM5760-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 20WR-1.5-19?
20WR-1.5-19 is cataloged in the U.S. Government catalog under NSN 4820-01-131-9605. 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.