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2-135N506-65 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-135N506-65: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 1.937 INCHES NOMINAL IN, cross-sectional_height: 0.093 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-837-7811, 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
2-135N506-65
NSN: 5331-00-837-7811
NIINs: 008377811, 014968564
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter1.937 INCHES NOMINAL IN
cross-sectional_height0.093 INCHES NOMINAL IN
NSN5331-00-837-7811
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-135N506-65 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
•
OUTSIDE DIAMETER: 2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.915 INCHES MINIMUM AND 1.935 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.915 INCHES MINIMUM AND 1.935 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 4
AS3578-135Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9021-135Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-135-4024-65Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AS3578Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-135N506-65?
2-135N506-65 is a O-RING.
What parts can replace 2-135N506-65?
There are 4 known substitutes for 2-135N506-65: AS3578-135, MS9021-135, PRP568-135-4024-65 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-135N506-65?
2-135N506-65 is cataloged in the U.S. Government catalog under NSN 5331-00-837-7811. 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.