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Technical Data Sheet
102855A ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, outside_diameter: 3.500 INCHES NOMINAL IN, special_features: APERTURE DIAMETER CHAMFERED BOTH SIDES,0.010 IN. MIN 0.030 IN.

MAX BY 45 DEGREES IN, style_designator: CIRCULAR, aperture_diameter: 2.670 INCHES MINIMUM AND 2.680 INCHES MAXIMUM IN, surface_treatment: CHROMATE OVERALL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-580-3305, 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
102855A
NSN: 5330-00-580-3305
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
outside_diameter3.500 INCHES NOMINAL IN
special_featuresAPERTURE DIAMETER CHAMFERED BOTH SIDES,0.010 IN. MIN 0.030 IN. MAX BY 45 DEGREES IN
style_designatorCIRCULAR
aperture_diameter2.670 INCHES MINIMUM AND 2.680 INCHES MAXIMUM IN
surface_treatmentCHROMATE OVERALL
gage_ring_thickness0.081 INCHES NOMINAL IN
cross-sectional_thickness0.121 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationQQ-A-250?11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1,GR 60 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-00-580-3305
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 102855A 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
APERTURE DIAMETER: 2.670 INCHES MINIMUM AND 2.680 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
CROSS-SECTIONAL THICKNESS: 0.121 INCHES NOMINAL IN
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250?11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1,GR 60 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
GAGE RING THICKNESS: 0.081 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESAPERTURE DIAMETER CHAMFERED BOTH SIDES,0.010 IN. MIN 0.030 IN. MAX BY 45 DEGREES IN
APERTURE DIAMETER2.670 INCHES MINIMUM AND 2.680 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
CROSS-SECTIONAL THICKNESS0.121 INCHES NOMINAL IN
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250?11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1,GR 60 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
GAGE RING THICKNESS0.081 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
85275Interchangeable
interchangeable cross-reference
interchangeable
P15653-2Interchangeable
interchangeable cross-reference
interchangeable
102855BInterchangeable
interchangeable cross-reference
interchangeable
102855Interchangeable
interchangeable cross-reference
interchangeable
71981Interchangeable
interchangeable cross-reference
interchangeable
102.855Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 102855A?
102855A is a GASKET.
What parts can replace 102855A?
There are 8 known substitutes for 102855A: 85275, P15653-2, 102855B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 102855A?
102855A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-580-3305. This indicates validated use in U.S. government and defense supply chains.
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