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Technical Data Sheet
PartsTable / O-RING / M83261/1-023
M83261/1-023 ✓ 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 M83261/1-023 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-583-5228, 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
M83261/1-023
NSN: 5331-01-583-5228
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberM83261/1-023
NSN5331-01-583-5228
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83261/1-023 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: 75.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 1.051 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: -83461/1 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER1.051 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION-83461/1 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
M83461/1-023Interchangeable
interchangeable cross-reference
interchangeable
A6689.023.222Interchangeable
interchangeable cross-reference
interchangeable
803-4384536-3XX 1-49CPInterchangeable
interchangeable cross-reference
interchangeable
M83461/1-023CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83261/1-023?
M83261/1-023 is a M83261/1-023.
What parts can replace M83261/1-023?
There are 4 known substitutes for M83261/1-023: M83461/1-023, A6689.023.222, 803-4384536-3XX 1-49CP and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83261/1-023?
M83261/1-023 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-583-5228. 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