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Technical Data Sheet
PartsTable / COMPONENT / 2560274-6
2560274-6 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER SEALING ELEMENT, case_style: RECESSED, seal_width: 0.437 INCHES NOMINAL IN, housing_bore_diameter: 1.756 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.250 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 5330-00-117-9891, 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
2560274-6
NSN: 5330-00-117-9891
FSC: 5330
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleRECESSED
seal_width0.437 INCHES NOMINAL IN
housing_bore_diameter1.756 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.250 INCHES NOMINAL IN
NSN5330-00-117-9891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2560274-6 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
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.756 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
SEAL WIDTH: 0.437 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: LEATHER SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.756 INCHES NOMINAL IN
CASE STYLERECESSED
SEAL WIDTH0.437 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
50140Interchangeable
interchangeable cross-reference
interchangeable
450246Interchangeable
interchangeable cross-reference
interchangeable
450140Interchangeable
interchangeable cross-reference
interchangeable
00044-TY 4 CASE TY 2B ELEMENTInterchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
63X1186Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2560274-6?
2560274-6 is a SEAL,PLAIN ENCASED.
What parts can replace 2560274-6?
There are 10 known substitutes for 2560274-6: 50140, 450246, 450140 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2560274-6?
2560274-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-117-9891. 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