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AS568A-040 BUNA-N — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568A-040 BUNA-N: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 2.875 INCHES NOMINAL IN, cross-sectional_height: 3.000 INCHES NOMINAL IN, end_item_identification: 8196914(53711) GEAR FRAME SHAFT ASSY. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-561-0867, 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
AS568A-040 BUNA-N
NSN: 5331-01-561-0867
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter2.875 INCHES NOMINAL IN
cross-sectional_height3.000 INCHES NOMINAL IN
end_item_identification8196914(53711) GEAR FRAME SHAFT ASSY
NSN5331-01-561-0867
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568A-040 BUNA-N 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: 3.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.875 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT3.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.875 INCHES NOMINAL IN
END ITEM IDENTIFICATION8196914(53711) GEAR FRAME SHAFT ASSY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 1
AS568A-040Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS568A-040 BUNA-N?
AS568A-040 BUNA-N is a O-RING.
What parts can replace AS568A-040 BUNA-N?
There is 1 known substitute for AS568A-040 BUNA-N: AS568A-040. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568A-040 BUNA-N?
AS568A-040 BUNA-N is cataloged in the U.S. Government catalog under NSN 5331-01-561-0867. This indicates validated use in U.S. government and defense supply chains.
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