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1690P — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1690P: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, taper_length: 1.812 INCHES NOMINAL IN, overall_height: 2.562 INCHES NOMINAL IN, style_designator: SOLID WEDGE, taper_major_diameter: 2.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-148-7879, 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
1690P
NSN: 4820-00-148-7879
FSC: 4820 — Valves, Nonpowered
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
taper_length1.812 INCHES NOMINAL IN
overall_height2.562 INCHES NOMINAL IN
style_designatorSOLID WEDGE
taper_major_diameter2.062 INCHES NOMINAL IN
taper_minor_diameter1.743 INCHES NOMINAL IN
NSN4820-00-148-7879
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1690P · 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
•
TAPER MINOR DIAMETER: 1.743 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID WEDGE
•
TAPER MAJOR DIAMETER: 2.062 INCHES NOMINAL IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
TAPER LENGTH: 1.812 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.562 INCHES NOMINAL IN
TAPER MINOR DIAMETER1.743 INCHES NOMINAL IN
STYLE DESIGNATORSOLID WEDGE
TAPER MAJOR DIAMETER2.062 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
TAPER LENGTH1.812 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
46958Reference document
Same NSN cross-reference
Reference document — Secondary reference
S-150694Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1690P?
1690P is a DISK,VALVE.
What parts can replace 1690P?
There are 2 known substitutes for 1690P: 46958, S-150694. Substitute compatibility should be verified for your specific system.
What is the NSN for 1690P?
1690P is cataloged in the U.S. Government catalog under NSN 4820-00-148-7879. 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.