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PartsTable / COMPONENT / 2419990
2419990 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM, design_type: FRICTION, overall_diameter: 1.430 INCHES MAXIMUM IN, special_features: EQUIPPED WITH RETAINING CABLE AND HOOK, inside_diameter_length: 0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN, round_cap_outside_surface_condition: RIBBED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-273-1645, 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
2419990
NSN: 5340-00-273-1645
FSC: 5340
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM
design_typeFRICTION
overall_diameter1.430 INCHES MAXIMUM IN
special_featuresEQUIPPED WITH RETAINING CABLE AND HOOK
inside_diameter_length0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
round_cap_outside_surface_conditionRIBBED
NSN5340-00-273-1645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2419990 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
•
OVERALL DIAMETER: 1.430 INCHES MAXIMUM IN
•
INSIDE DIAMETER LENGTH: 0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
•
DESIGN TYPE: FRICTION
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.430 INCHES MAXIMUM IN
INSIDE DIAMETER LENGTH0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
DESIGN TYPEFRICTION
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
MATERIALALUMINUM
SPECIAL FEATURESEQUIPPED WITH RETAINING CABLE AND HOOK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
PR1Interchangeable
interchangeable cross-reference
interchangeable
1146Interchangeable
interchangeable cross-reference
interchangeable
262146R94Interchangeable
interchangeable cross-reference
interchangeable
38078Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2419990?
2419990 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 2419990?
There are 4 known substitutes for 2419990: PR1, 1146, 262146R94 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2419990?
2419990 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-273-1645. 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