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2505739 ✓ 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 TUBE ASSEMBLY,AIRCRAFT ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.093 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 0.875 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.625 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-078-8958, 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
2505739
NSN: 5330-00-078-8958
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.093 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter0.875 INCHES NOMINAL IN
accommodated_shaft_diameter0.625 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-078-8958
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2505739 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
•
ACCOMMODATED SHAFT DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
CONSTRUCTION: SOLID
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
HOUSING BORE DIAMETER: 0.875 INCHES NOMINAL IN
•
SEAL WIDTH: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER0.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
HOUSING BORE DIAMETER0.875 INCHES NOMINAL IN
SEAL WIDTH0.093 INCHES NOMINAL IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
63-160Interchangeable
interchangeable cross-reference
interchangeable
B107.6 TY1Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY2CL4STCInterchangeable
interchangeable cross-reference
interchangeable
63098Interchangeable
interchangeable cross-reference
interchangeable
00150 STYLE 8Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2505739?
2505739 is a TUBE ASSEMBLY,AIRCRAFT ENGINE.
What parts can replace 2505739?
There are 12 known substitutes for 2505739: 63-160, B107.6 TY1, AS954 TY2CL4STC and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2505739?
2505739 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-078-8958. 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