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MILR3533-235ES — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MILR3533-235ES: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, temp_rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.387 INCHES NOMINAL IN, center_hole_diameter: 3.094 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-414-2811, 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
MILR3533-235ES
NSN: 5331-00-414-2811
FSC: 5331 — O-ring
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter3.387 INCHES NOMINAL IN
center_hole_diameter3.094 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-414-2811
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILR3533-235ES 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: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.387 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 3.094 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.387 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER3.094 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 5
AS9967-235Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9967-235Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE-AS9967Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5331PL0844979Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331PL1739411Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MILR3533-235ES?
MILR3533-235ES is a O-RING.
What parts can replace MILR3533-235ES?
There are 5 known substitutes for MILR3533-235ES: AS9967-235, MS9967-235, SAE-AS9967 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILR3533-235ES?
MILR3533-235ES is cataloged in the U.S. Government catalog under NSN 5331-00-414-2811. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.