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Technical Data Sheet
PartsTable / O-RING / 5331PL1279840
5331PL1279840 ✓ 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, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, outside_diameter: 2.573 INCHES NOMINAL IN, center_hole_diameter: 2.327 INCHES MINIMUM AND 2.347 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.114 INCHES MINIMUM AND 0.122 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 5331-00-765-2104, 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
5331PL1279840
NSN: 5331-00-765-2104
FSC: 5331 — O-RING
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
outside_diameter2.573 INCHES NOMINAL IN
center_hole_diameter2.327 INCHES MINIMUM AND 2.347 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NSN5331-00-765-2104
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5331PL1279840 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: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.327 INCHES MINIMUM AND 2.347 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 2.573 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.327 INCHES MINIMUM AND 2.347 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER2.573 INCHES NOMINAL IN
ELONGATION PERCENTAGE160 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7602-1Interchangeable
interchangeable cross-reference
interchangeable
AS568-932MIL-G-21610 TY 1Interchangeable
interchangeable cross-reference
interchangeable
AS568-932Interchangeable
interchangeable cross-reference
interchangeable
242 P.C.100GInterchangeable
interchangeable cross-reference
interchangeable
77466Interchangeable
interchangeable cross-reference
interchangeable
32034 ITEM 25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5331PL1279840?
5331PL1279840 is a O-RING.
What parts can replace 5331PL1279840?
There are 17 known substitutes for 5331PL1279840: 7602-1, AS568-932MIL-G-21610 TY 1, AS568-932 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5331PL1279840?
5331PL1279840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-765-2104. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026