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Technical Data Sheet
PartsTable / COMPONENT / 514406
514406 ✓ 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: 2.125 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: CONCAVE, surface_treatment: CADMIUM, material_thickness: 0.083 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-276-5853, 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
514406
NSN: 5340-00-276-5853
FSC: 5340
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
radius2.125 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.500 INCHES NOMINAL IN
style_designatorCONCAVE
surface_treatmentCADMIUM
material_thickness0.083 INCHES NOMINAL IN
NSN5340-00-276-5853
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 514406 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
•
STYLE DESIGNATOR: CONCAVE
•
SURFACE TREATMENT: CADMIUM
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
RADIUS: 2.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.083 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCONCAVE
SURFACE TREATMENTCADMIUM
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
MATERIALSTEEL
RADIUS2.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.083 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
8049Interchangeable
interchangeable cross-reference
interchangeable
A-A-52420-15Interchangeable
interchangeable cross-reference
interchangeable
140089Interchangeable
interchangeable cross-reference
interchangeable
WPP1677Interchangeable
interchangeable cross-reference
interchangeable
S703Interchangeable
interchangeable cross-reference
interchangeable
172531Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 514406?
514406 is a PLUG,EXPANSION.
What parts can replace 514406?
There are 31 known substitutes for 514406: 8049, A-A-52420-15, 140089 and 28 more. Substitute compatibility should be verified for your specific system.
Is 514406 still available?
514406 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