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Technical Data Sheet
PartsTable / O-RING / N2320
N2320 ✓ 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: STEEL COMP 17-4PH, end_similarity: NOT IDENTICAL, overall_length: 39.4500 INCHES NOMINAL IN, first_end_style: FLAT KEYWAY, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, second_end_style: SPLINED (INVOLUTE). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-111-0734, 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
N2320
NSN: 5331-00-111-0734
FSC: 5331 — O-RING
CAGE: FA2T6 — BAUER COMPRESSEURS S.A.S (FRA)
SPECIFICATIONS
materialSTEEL COMP 17-4PH
step_quantity6
end_similarityNOT IDENTICAL
overall_length39.4500 INCHES NOMINAL IN
first_end_styleFLAT KEYWAY
hardness_rating75.0 SHORE DUROMETER A NOMINAL
second_end_styleSPLINED (INVOLUTE)
first_end_diameter2.2490 INCHES NOMINAL IN
second_end_diameter2.3010 INCHES NOMINAL IN
center_hole_diameter0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
largest_step_diameter3.1820 INCHES NOMINAL IN
NSN5331-00-111-0734
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N2320 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: 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
M83248/1-020Interchangeable
interchangeable cross-reference
interchangeable
3634-96-11-90Interchangeable
interchangeable cross-reference
interchangeable
AS3209-020Interchangeable
interchangeable cross-reference
interchangeable
AS3209-020CPInterchangeable
interchangeable cross-reference
interchangeable
5330010765705Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-020CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N2320?
N2320 is a O-RING.
What parts can replace N2320?
There are 21 known substitutes for N2320: M83248/1-020, 3634-96-11-90, AS3209-020 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N2320?
N2320 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-111-0734. 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