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Technical Data Sheet
PartsTable / COMPONENT / 5349L19-007
5349L19-007 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 2.875 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN, style_designator: CONCAVE, surface_treatment: CADMIUM, material_thickness: 0.083 INCHES NOMINAL 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 5340-00-037-3507, 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
5349L19-007
NSN: 5340-00-037-3507
FSC: 5340
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
radius2.875 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentCADMIUM
material_thickness0.083 INCHES NOMINAL IN
material_document_and_classificationSAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-037-3507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5349L19-007 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL THICKNESS: 0.083 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
RADIUS: 2.875 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORCONCAVE
MATERIAL THICKNESS0.083 INCHES NOMINAL IN
OUTSIDE DIAMETER1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
MATERIALSTEEL
RADIUS2.875 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
520012Interchangeable
interchangeable cross-reference
interchangeable
21-05Interchangeable
interchangeable cross-reference
interchangeable
1600-0091-01875Interchangeable
interchangeable cross-reference
interchangeable
SA22C488Interchangeable
interchangeable cross-reference
interchangeable
AT5524Interchangeable
interchangeable cross-reference
interchangeable
37B201919P102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5349L19-007?
5349L19-007 is a PLUG,EXPANSION.
What parts can replace 5349L19-007?
There are 9 known substitutes for 5349L19-007: 520012, 21-05, 1600-0091-01875 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5349L19-007?
5349L19-007 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-037-3507. 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