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Technical Data Sheet
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M83248/1-243 — Technical Data Sheet

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— · 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 POWER UNIT,GAS TURBINE ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: LM2500,GAS TURBINE, part_name_assigned_by_controlling_agency: POWER UNIT,GAS TURBINE ENGINE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1961, 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
M83248/1-243
NSN: 5331-00-165-1961
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
end_item_identificationLM2500,GAS TURBINE
part_name_assigned_by_controlling_agencyPOWER UNIT,GAS TURBINE ENGINE
NSN5331-00-165-1961
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248/1-243 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
•
OUTSIDE DIAMETER: 4.387 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 4.081 INCHES MINIMUM AND 4.137 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.387 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER4.081 INCHES MINIMUM AND 4.137 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
6243Interchangeable
interchangeable cross-reference
interchangeable
171549Interchangeable
interchangeable cross-reference
interchangeable
62-607Interchangeable
interchangeable cross-reference
interchangeable
1047548Interchangeable
interchangeable cross-reference
interchangeable
60521XInterchangeable
interchangeable cross-reference
interchangeable
60521Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83248/1-243?
M83248/1-243 is a POWER UNIT,GAS TURBINE ENGINE.
What parts can replace M83248/1-243?
There are 25 known substitutes for M83248/1-243: 6243, 171549, 62-607 and 22 more. Substitute compatibility should be verified for your specific system.
Is M83248/1-243 still available?
M83248/1-243 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026