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Technical Data Sheet
PartsTable / O-RING / 203034-1
203034-1 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 6150 OR STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, coil_quantity: 3-1/2, inside_diameter: 0.500 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-596-7429, 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
203034-1
NSN: 5331-00-596-7429
FSC: 5331 — O-RING
CAGE: 60882 — WALTER TRUCK CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 6150 OR STEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
coil_quantity3-1/2
inside_diameter0.500 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
spring_solid_length1.125 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter1.062 INCHES NOMINAL IN
material_document_and_classificationAMS 6450 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5331-00-596-7429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 203034-1 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
580050Interchangeable
interchangeable cross-reference
interchangeable
202673Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203034-1?
203034-1 is a O-RING.
What parts can replace 203034-1?
There are 2 known substitutes for 203034-1: 580050, 202673. Substitute compatibility should be verified for your specific system.
What is the NSN for 203034-1?
203034-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-596-7429. 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