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Technical Data Sheet
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581862 ✓ 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 COIL,IGNITION is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: TITANIUM UNS R50700 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, overall_length: 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN, style_designator: STRAIGHT ARCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-851-2860, 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
581862
NSN: 5340-00-851-2860
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialTITANIUM UNS R50700 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
overall_length2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN
style_designatorSTRAIGHT ARCH
material_thickness0.027 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
mounting_hole_size0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
inside_diameter/arch_length1.696 INCHES MINIMUM AND 1.746 INCHES MAXIMUM IN
distance_between_mounting_hole_centers2.500 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.373 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
NSN5340-00-851-2860
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 581862 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
•
STYLE DESIGNATOR: STRAIGHT ARCH
•
MATERIAL: TITANIUM UNS R50700 LOCATION NOT OTHERWISE SPECIFIED
•
INSIDE DIAMETER/ARCH LENGTH: 1.696 INCHES MINIMUM AND 1.746 INCHES MAXIMUM IN
•
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.373 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
•
CUSHION: NOT INCLUDED
•
MOUNTING HOLE SIZE: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT ARCH
MATERIALTITANIUM UNS R50700 LOCATION NOT OTHERWISE SPECIFIED
INSIDE DIAMETER/ARCH LENGTH1.696 INCHES MINIMUM AND 1.746 INCHES MAXIMUM IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.373 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
CUSHIONNOT INCLUDED
MOUNTING HOLE SIZE0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
OVERALL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
MOUNTING PADNOT INCLUDED
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
581862Interchangeable
interchangeable cross-reference
interchangeable
582366Interchangeable
interchangeable cross-reference
interchangeable
662058Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581862?
581862 is a COIL,IGNITION.
What parts can replace 581862?
There are 3 known substitutes for 581862: 581862, 582366, 662058. Substitute compatibility should be verified for your specific system.
What is the NSN for 581862?
581862 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-851-2860. 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