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119AS3-4 ✓ 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: PLASTIC POLYTETRAFLUOROETHYLENE, overall_height: 0.236 INCHES NOMINAL IN, inside_diameter: 0.400 INCHES NOMINAL IN, outside_diameter: 1.084 INCHES NOMINAL IN, style_designator: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-640-5808, 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
119AS3-4
NSN: 4820-00-640-5808
FSC: 4820
CAGE: 75144 — JENKINS BROS (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
overall_height0.236 INCHES NOMINAL IN
inside_diameter0.400 INCHES NOMINAL IN
outside_diameter1.084 INCHES NOMINAL IN
style_designatorPLAIN
NSN4820-00-640-5808
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 119AS3-4 · 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
•
INSIDE DIAMETER: 0.400 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.084 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.400 INCHES NOMINAL IN
OUTSIDE DIAMETER1.084 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OVERALL HEIGHT0.236 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
137987-02Interchangeable
interchangeable cross-reference
interchangeable
D505Interchangeable
interchangeable cross-reference
interchangeable
30434Interchangeable
interchangeable cross-reference
interchangeable
E2921PC273Interchangeable
interchangeable cross-reference
interchangeable
36B01867PC434Interchangeable
interchangeable cross-reference
interchangeable
AVC1S4901-044PC434Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 119AS3-4?
119AS3-4 is a DISK,VALVE.
What parts can replace 119AS3-4?
There are 13 known substitutes for 119AS3-4: 137987-02, D505, 30434 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 119AS3-4?
119AS3-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-640-5808. 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