PartsTable
Technical Data Sheet
PartsTable / O-RING / M83248-1-121
M83248-1-121 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER, end_item_identification: VALVE,MANIFOLD REDUCING, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5110, 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
M83248-1-121
NSN: 5331-00-167-5110
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER
end_item_identificationVALVE,MANIFOLD REDUCING
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-00-167-5110
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83248-1-121 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
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
OUTSIDE DIAMETER: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.039 INCHES MINIMUM AND 1.059 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
ELONGATION PERCENTAGE125 MAXIMUM
OUTSIDE DIAMETER1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.039 INCHES MINIMUM AND 1.059 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
R440-5Interchangeable
interchangeable cross-reference
interchangeable
440-5Interchangeable
interchangeable cross-reference
interchangeable
6515001036659Interchangeable
interchangeable cross-reference
interchangeable
MILP36744Interchangeable
interchangeable cross-reference
interchangeable
Y197Interchangeable
interchangeable cross-reference
interchangeable
Y132Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83248-1-121?
M83248-1-121 is a PACKING,PREFORMED.
What parts can replace M83248-1-121?
There are 27 known substitutes for M83248-1-121: R440-5, 440-5, 6515001036659 and 24 more. Substitute compatibility should be verified for your specific system.
Is M83248-1-121 still available?
M83248-1-121 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026