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PartsTable / O-RING / 2405-2
2405-2 ✓ Verified by PartsTable
Legrand · 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 MICROCIRCUIT,DIGITAL is a Legrand industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, inside_width: 1.004 INCHES MINIMUM AND 1.007 INCHES MAXIMUM IN, body_diameter: 0.125 INCHES NOMINAL IN, inside_length: 1.000 INCHES NOMINAL IN, overall_width: 1.195 INCHES MAXIMUM IN, terminal_type: SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-140-2251, 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
2405-2
NSN: 5331-00-140-2251
FSC: 5331 — O-RING
CAGE: 04034 — SETRA SYSTEMS, INC. DBA GEMS SENSORS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
inside_width1.004 INCHES MINIMUM AND 1.007 INCHES MAXIMUM IN
body_diameter0.125 INCHES NOMINAL IN
inside_length1.000 INCHES NOMINAL IN
overall_width1.195 INCHES MAXIMUM IN
terminal_typeSCREW
included_angle60.0 DEGREES NOMINAL
overall_height0.437 INCHES NOMINAL IN
overall_length5.0 INCHES NOMINAL IN
point_diameter0.3125 INCHES NOMINAL IN
stack_quantity1
mounting_methodHOLE
NSN5331-00-140-2251
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2405-2 MFR: Legrand ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.116 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.116 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
31-056Interchangeable
interchangeable cross-reference
interchangeable
24-052Interchangeable
interchangeable cross-reference
interchangeable
3042-1Interchangeable
interchangeable cross-reference
interchangeable
A9029-1Interchangeable
interchangeable cross-reference
interchangeable
15051BInterchangeable
interchangeable cross-reference
interchangeable
22597Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2405-2?
2405-2 is a MICROCIRCUIT,DIGITAL manufactured by Legrand.
What parts can replace 2405-2?
There are 7 known substitutes for 2405-2: 31-056, 24-052, 3042-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2405-2?
2405-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-140-2251. 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