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OR-235 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

OR-235: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN, center_hole_diameter: 3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-203-6828, 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
OR-235
NSN: 5331-01-203-6828
FSC: 5331 — O-ring
CAGE: 085F7 — READING TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN
center_hole_diameter3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-203-6828
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR-235 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
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
CENTER HOLE DIAMETER: 3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE331 MAXIMUM
CENTER HOLE DIAMETER3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
756055Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
819630Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8196930Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CM1-235-B46AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-235 N674-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
01-425-0366-4 PIECE 31Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OR-235?
OR-235 is a O-RING.
What parts can replace OR-235?
There are 8 known substitutes for OR-235: 756055, 819630, 8196930 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OR-235?
OR-235 is cataloged in the U.S. Government catalog under NSN 5331-01-203-6828. This indicates validated use in U.S. government and defense supply chains.
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