PartsTable
Technical Data Sheet
AN123997ES ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.637 INCHES NOMINAL IN, center_hole_diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-285-9785, 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
AN123997ES
NSN: 5331-00-285-9785
FSC: 5331 — O-RING
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.637 INCHES NOMINAL IN
center_hole_diameter3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-285-9785
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN123997ES 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
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 3.637 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.637 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
85967-4LPInterchangeable
interchangeable cross-reference
interchangeable
900341-001Interchangeable
interchangeable cross-reference
interchangeable
85967-4Interchangeable
interchangeable cross-reference
interchangeable
11041059-1Interchangeable
interchangeable cross-reference
interchangeable
117SIZE23Interchangeable
interchangeable cross-reference
interchangeable
117SZ23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN123997ES?
AN123997ES is a O-RING.
What parts can replace AN123997ES?
There are 21 known substitutes for AN123997ES: 85967-4LP, 900341-001, 85967-4 and 18 more. Substitute compatibility should be verified for your specific system.
Is AN123997ES still available?
AN123997ES is currently cancelled.
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