PartsTable
Technical Data Sheet
PartsTable / MRO / 20-644
20-644 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CONDUIT ASSEMBLY,METAL,FLEXIBLE. Key specifications include material: COPPER AND ZINC BODY, load_type: INDUCTIVE, body_style: HOLE MOUNTED, body_width: 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN, point_type: CONVENTIONAL, body_height: 0.830 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-214-3250, 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
MRO→ MRO_GENERAL→ 20-644
NSN: 5330-00-214-3250
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialCOPPER AND ZINC BODY
load_typeINDUCTIVE
body_styleHOLE MOUNTED
body_width1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
point_typeCONVENTIONAL
body_height0.830 INCHES NOMINAL IN
body_length1.907 INCHES MINIMUM AND 1.969 INCHES MAXIMUM IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
temp_rating35.0 CELSIUS DEGC
flute_length0.500 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-214-3250
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20-644 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
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH2.625 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
OVERALL LENGTH2.625 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SE23XC03Interchangeable
interchangeable cross-reference
interchangeable
180-2754-03-05-00Interchangeable
interchangeable cross-reference
interchangeable
T235A188-3Interchangeable
interchangeable cross-reference
interchangeable
105-040-0001Interchangeable
interchangeable cross-reference
interchangeable
27543Interchangeable
interchangeable cross-reference
interchangeable
1698-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-644?
20-644 is a CONDUIT ASSEMBLY,METAL,FLEXIBLE manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20-644?
There are 20 known substitutes for 20-644: SE23XC03, 180-2754-03-05-00, T235A188-3 and 17 more. Substitute compatibility should be verified for your specific system.
Is 20-644 still available?
20-644 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