PartsTable
Technical Data Sheet
Download PDF

N0756 2-026 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N0756 2-026: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: 75.0 DUROMETER, center_hole_diameter: 1.240 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: 53711 8469851. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-686-4771, 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
N0756 2-026
NSN: 5331-01-686-4771
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_features75.0 DUROMETER
center_hole_diameter1.240 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identification53711 8469851
part_name_assigned_by_controlling_agencyO-RING, ORFS TUBE END
NSN5331-01-686-4771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N0756 2-026 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 1.240 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURES75.0 DUROMETER
CENTER HOLE DIAMETER1.240 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING, ORFS TUBE END
END ITEM IDENTIFICATION53711 8469851
MATERIALRUBBER BUTADIENE NITRILE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy N0756 2-026?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is N0756 2-026?
N0756 2-026 is a O-RING.
What is the NSN for N0756 2-026?
N0756 2-026 is cataloged in the U.S. Government catalog under NSN 5331-01-686-4771. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — N0756 2-026

✓ 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.