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Technical Data Sheet
AS568-270AMS7271 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 9.204 INCHES MINIMUM AND 9.320 INCHES MAXIMUM IN, center_hole_diameter: 8.954 INCHES MINIMUM AND 9.014 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, material_document_and_classification: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-843-4611, 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
AS568-270AMS7271
NSN: 5331-00-843-4611
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
outside_diameter9.204 INCHES MINIMUM AND 9.320 INCHES MAXIMUM IN
center_hole_diameter8.954 INCHES MINIMUM AND 9.014 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-843-4611
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-270AMS7271 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
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 8.954 INCHES MINIMUM AND 9.014 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER: 9.204 INCHES MINIMUM AND 9.320 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER8.954 INCHES MINIMUM AND 9.014 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER9.204 INCHES MINIMUM AND 9.320 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2-270 N602-70Interchangeable
interchangeable cross-reference
interchangeable
7866-270Interchangeable
interchangeable cross-reference
interchangeable
MS29513-270Interchangeable
interchangeable cross-reference
interchangeable
2707446Interchangeable
interchangeable cross-reference
interchangeable
2708528-1Interchangeable
interchangeable cross-reference
interchangeable
PRP270-7446Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-270AMS7271?
AS568-270AMS7271 is a O-RING.
What parts can replace AS568-270AMS7271?
There are 11 known substitutes for AS568-270AMS7271: 2-270 N602-70, 7866-270, MS29513-270 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-270AMS7271?
AS568-270AMS7271 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-843-4611. This indicates validated use in U.S. government and defense supply chains.
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