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Technical Data Sheet

2-039N304-70 — Technical Data Sheet

✓ 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 225.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN, center_hole_diameter: 2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN, elongation_percentage: 164 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-005-8194, 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
2-039N304-70
NSN: 5331-00-005-8194
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN
center_hole_diameter2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-005-8194
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-039N304-70 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
CENTER HOLE DIAMETER: 2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE: 164 MAXIMUM
OUTSIDE DIAMETER: 2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER2.724 INCHES MINIMUM AND 2.754 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE164 MAXIMUM
OUTSIDE DIAMETER2.853 INCHES MINIMUM AND 2.905 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2-39N304-7Interchangeable
Same NIIN cross-reference
interchangeable
999299-239Interchangeable
Same NIIN cross-reference
interchangeable
A39SR832-75Interchangeable
O-Ring
interchangeable
AS-039C65Interchangeable
O-Ring
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-039N304-70?
2-039N304-70 is a O-RING.
What parts can replace 2-039N304-70?
There are 4 known substitutes for 2-039N304-70: 2-39N304-7, 999299-239, A39SR832-75 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-039N304-70?
2-039N304-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-005-8194. This indicates validated use in U.S. government and defense supply chains.
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