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N2320 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N2320: O-RING.

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 part is cataloged in the U.S.

Government catalog 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
NIINs: 001110734, 014543124
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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 8
5331PL2174759Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248/1-020Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
11111-0-002320Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5920050146Reference document
Same NSN cross-reference
Reference document — Secondary reference
592005014546Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-020V884-75Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N2320?
N2320 is a O-RING.
What parts can replace N2320?
There are 8 known substitutes for N2320: 5331PL2174759, M83248/1-020, 11111-0-002320 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N2320?
N2320 is cataloged in the U.S. Government catalog under NSN 5331-00-111-0734. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.