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Technical Data Sheet
PartsTable / COMPONENT / 703923
703923 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE, overall_height: 1.844 INCHES NOMINAL IN, shank_diameter: 0.812 INCHES NOMINAL IN, flange_diameter: 1.563 INCHES NOMINAL IN, pressure_rating: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, style_designator: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-151-5708, 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
703923
NSN: 4820-01-151-5708
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE
overall_height1.844 INCHES NOMINAL IN
shank_diameter0.812 INCHES NOMINAL IN
flange_diameter1.563 INCHES NOMINAL IN
pressure_rating700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
style_designatorPOPPET
media_for_which_designedWATER, FRESH OR GAS OR OIL
NSN4820-01-151-5708
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 703923 · 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
•
STYLE DESIGNATOR: POPPET
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH OR GAS OR OIL
•
PRESSURE RATING: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL: NICKEL ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE
•
SHANK DIAMETER: 0.812 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPOPPET
MEDIA FOR WHICH DESIGNEDWATER, FRESH OR GAS OR OIL
PRESSURE RATING700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OVERALL HEIGHT1.844 INCHES NOMINAL IN
MATERIALNICKEL ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE
SHANK DIAMETER0.812 INCHES NOMINAL IN
FLANGE DIAMETER1.563 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
26-209-01Interchangeable
interchangeable cross-reference
interchangeable
803-2177934Interchangeable
interchangeable cross-reference
interchangeable
2620-901 ASSY C,1-4INInterchangeable
interchangeable cross-reference
interchangeable
845-1889586Interchangeable
interchangeable cross-reference
interchangeable
C-38469Interchangeable
Same NIIN cross-reference
interchangeable
845-188958Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 703923?
703923 is a DISK,VALVE.
What parts can replace 703923?
There are 7 known substitutes for 703923: 26-209-01, 803-2177934, 2620-901 ASSY C,1-4IN and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 703923?
703923 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-151-5708. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026