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AS568-261 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568-261: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, center_hole_diameter: 6.694 INCHES MINIMUM AND 6.774 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-106-7286, 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
AS568-261
NSN: 5331-01-106-7286
NIINs: 011067286, 014575306
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
center_hole_diameter6.694 INCHES MINIMUM AND 6.774 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-106-7286
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-261 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 225.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.964 INCHES MINIMUM AND 7.060 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 6.711 INCHES MINIMUM AND 6.757 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER6.964 INCHES MINIMUM AND 7.060 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER6.711 INCHES MINIMUM AND 6.757 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
AS28775-261Reference document
Same NSN cross-reference
Reference document — Secondary reference
Z00.N7423069255Reference document
Same NSN cross-reference
Reference document — Secondary reference
A49408MZZReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A49438Reference document
Same NSN cross-reference
Reference document — Secondary reference
D49440ITEM 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
ARP568-261MILP25732Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS568-261?
AS568-261 is a O-RING.
What parts can replace AS568-261?
There are 8 known substitutes for AS568-261: AS28775-261, Z00.N7423069255, A49408MZZ and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-261?
AS568-261 is cataloged in the U.S. Government catalog under NSN 5331-01-106-7286. This indicates validated use in U.S. government and defense supply chains.
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