PartsTable
Technical Data Sheet
MILR1149-023ES ✓ 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: RUBBER CHLOROPRENE CLASS CR, center_hole_diameter: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 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 5331-01-027-2327, 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
MILR1149-023ES
NSN: 5331-01-027-2327
FSC: 5331 — O-RING
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
center_hole_diameter1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-01-027-2327
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILR1149-023ES 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
CENTER HOLE DIAMETER: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
810342Interchangeable
interchangeable cross-reference
interchangeable
89020 FIND 45Interchangeable
interchangeable cross-reference
interchangeable
200005PL FIND NO. 45Interchangeable
interchangeable cross-reference
interchangeable
810342-301Interchangeable
interchangeable cross-reference
interchangeable
810349-1Interchangeable
interchangeable cross-reference
interchangeable
810349Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILR1149-023ES?
MILR1149-023ES is a O-RING.
What parts can replace MILR1149-023ES?
There are 7 known substitutes for MILR1149-023ES: 810342, 89020 FIND 45, 200005PL FIND NO. 45 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILR1149-023ES?
MILR1149-023ES is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-027-2327. This indicates validated use in U.S. government and defense supply chains.
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