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Technical Data Sheet
PartsTable / COMPONENT / MC204B
MC204B ✓ 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 STRAPPING is a the manufacturer industrial component. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 100.000 FEET NOMINAL FT, material: STEEL CORROSION RESISTING, thickness: 0.030 INCHES NOMINAL IN, design_type: NAILLESS, breaking_strength: 1500.00 POUNDS MINIMUM LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-245-9438, 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
MC204B
NSN: 5340-00-245-9438
FSC: 5340
CAGE: Z1BN2 — MILLENNIUM COUPLING COMPANY PTY LTD (AUS)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length100.000 FEET NOMINAL FT
materialSTEEL CORROSION RESISTING
thickness0.030 INCHES NOMINAL IN
design_typeNAILLESS
breaking_strength1500.00 POUNDS MINIMUM LBS
perforation_featureNOT INCLUDED
nominal_basis_weight18.82 FEET PER POUND FT
NSN5340-00-245-9438
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MC204B 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
•
LENGTH: 100.000 FEET NOMINAL FT
•
NOMINAL BASIS WEIGHT: 18.82 FEET PER POUND FT
•
THICKNESS: 0.030 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
WIDTH: 0.500 INCHES NOMINAL IN
•
BREAKING STRENGTH: 1500.00 POUNDS MINIMUM LBS
•
DESIGN TYPE: NAILLESS
•
PERFORATION FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH100.000 FEET NOMINAL FT
NOMINAL BASIS WEIGHT18.82 FEET PER POUND FT
THICKNESS0.030 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
WIDTH0.500 INCHES NOMINAL IN
BREAKING STRENGTH1500.00 POUNDS MINIMUM LBS
DESIGN TYPENAILLESS
PERFORATION FEATURENOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
C-20-4Interchangeable
interchangeable cross-reference
interchangeable
17405-2Interchangeable
interchangeable cross-reference
interchangeable
93-EE34642Interchangeable
interchangeable cross-reference
interchangeable
1371-46Interchangeable
interchangeable cross-reference
interchangeable
P209Interchangeable
interchangeable cross-reference
interchangeable
57041Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MC204B?
MC204B is a STRAPPING.
What parts can replace MC204B?
There are 18 known substitutes for MC204B: C-20-4, 17405-2, 93-EE34642 and 15 more. Substitute compatibility should be verified for your specific system.
Is MC204B still available?
MC204B 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