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Technical Data Sheet
PartsTable / COMPONENT / AN6227-88
AN6227-88 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 68.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN, center_hole_diameter: 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN, elongation_percentage: 164 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-378-2566, 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
AN6227-88
NSN: 5330-00-378-2566
FSC: 5330
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating68.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
center_hole_diameter4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-378-2566
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN6227-88 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 SHAPE STYLE: O-RING
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 164 MAXIMUM
•
CROSS SECTION OUTSIDE DIAMETER: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
PERIPHERAL DIAMETER: 4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
ELONGATION PERCENTAGE164 MAXIMUM
CROSS SECTION OUTSIDE DIAMETER0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
PERIPHERAL DIAMETER4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING68.0 SHORE DUROMETER A NOMINAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
N304-7-23Interchangeable
interchangeable cross-reference
interchangeable
68547Interchangeable
interchangeable cross-reference
interchangeable
N0304 2-425Interchangeable
interchangeable cross-reference
interchangeable
6230-23Interchangeable
interchangeable cross-reference
interchangeable
SOR4.359X.139-70NBRInterchangeable
interchangeable cross-reference
interchangeable
MS28775-245ESInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN6227-88?
AN6227-88 is a PACKING,PREFORMED.
What parts can replace AN6227-88?
There are 10 known substitutes for AN6227-88: N304-7-23, 68547, N0304 2-425 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN6227-88?
AN6227-88 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-378-2566. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026