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Technical Data Sheet
PartsTable / COMPONENT / 519B
519B ✓ 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 STRUT,SHAFT,SHIP is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND COPPER OVERALL, outside_diameter: 1.938 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_thickness: 0.094 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WITH SOFT FILLER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-247-1709, 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
519B
NSN: 5330-00-247-1709
FSC: 5330
CAGE: 86517 — PIKE A W AND CO (USA)
SPECIFICATIONS
materialASBESTOS AND COPPER OVERALL
outside_diameter1.938 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.000 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
nondefinitive_spec/std_data1 TYPE
NSN5330-00-247-1709
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 519B 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
•
OUTSIDE DIAMETER: 1.938 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: ASBESTOS AND COPPER OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.938 INCHES NOMINAL IN
APERTURE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALASBESTOS AND COPPER OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
66816Interchangeable
interchangeable cross-reference
interchangeable
37482Interchangeable
interchangeable cross-reference
interchangeable
30051Interchangeable
interchangeable cross-reference
interchangeable
536Interchangeable
interchangeable cross-reference
interchangeable
119279Interchangeable
interchangeable cross-reference
interchangeable
LYR08E-100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 519B?
519B is a STRUT,SHAFT,SHIP.
What parts can replace 519B?
There are 16 known substitutes for 519B: 66816, 37482, 30051 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 519B?
519B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-247-1709. 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