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Technical Data Sheet
PartsTable / COMPONENT / VT3399
VT3399 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 1.125 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: CONCAVE, surface_treatment: CADMIUM, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-276-5847, 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
VT3399
NSN: 5340-00-276-5847
FSC: 5340
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
radius1.125 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.000 INCHES NOMINAL IN
style_designatorCONCAVE
surface_treatmentCADMIUM
material_thickness0.094 INCHES NOMINAL IN
NSN5340-00-276-5847
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: VT3399 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM
•
RADIUS: 1.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM
RADIUS1.125 INCHES NOMINAL IN
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
3057Upgraded Successor
successor cross-reference
successor
3054 PC3Interchangeable
interchangeable cross-reference
interchangeable
8329423Interchangeable
interchangeable cross-reference
interchangeable
A395X19Interchangeable
interchangeable cross-reference
interchangeable
S7-19Interchangeable
interchangeable cross-reference
interchangeable
4LR1391P3X339Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VT3399?
VT3399 is a PLUG,EXPANSION.
What parts can replace VT3399?
There are 23 known substitutes for VT3399: 3057, 3054 PC3, 8329423 and 20 more. Substitute compatibility should be verified for your specific system.
Is VT3399 still available?
VT3399 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026