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Technical Data Sheet
PartsTable / O-RING / B03219CP
B03219CP ✓ 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 FLUOROCARBON CLASS FPM, temp_rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 1.719 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN, elongation_percentage: 125 MINIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-096-8819, 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
B03219CP
NSN: 5331-01-096-8819
FSC: 5331 — O-RING
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter1.719 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
elongation_percentage125 MINIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-096-8819
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B03219CP 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
•
TEMP RATING: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 1.719 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MINIMUM
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
TEMP RATING-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER1.719 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MINIMUM
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
MATERIALRUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
NAS1596-8Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248CPInterchangeable
interchangeable cross-reference
interchangeable
AS3209Interchangeable
interchangeable cross-reference
interchangeable
5330PL1668257Interchangeable
interchangeable cross-reference
interchangeable
AS3209-011 CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B03219CP?
B03219CP is a O-RING.
What parts can replace B03219CP?
There are 25 known substitutes for B03219CP: NAS1596-8, MIL-R-83248, MIL-R-83248CP and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B03219CP?
B03219CP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-096-8819. 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