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Technical Data Sheet
7744566 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.360 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, aperture_diameter: 2.531 INCHES NOMINAL IN, outside_corner_radius: 0.380 INCHES NOMINAL IN, cross-sectional_thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-774-4566, 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
7744566
NSN: 5330-00-774-4566
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.360 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
aperture_diameter2.531 INCHES NOMINAL IN
outside_corner_radius0.380 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-774-4566
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7744566 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE DIAMETER: 2.531 INCHES NOMINAL IN
HOLE DIAMETER: 0.360 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OUTSIDE CORNER RADIUS: 0.380 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER2.531 INCHES NOMINAL IN
HOLE DIAMETER0.360 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OUTSIDE CORNER RADIUS0.380 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
9540-20Interchangeable
interchangeable cross-reference
interchangeable
9540Interchangeable
interchangeable cross-reference
interchangeable
5158-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7744566?
7744566 is a GASKET.
What parts can replace 7744566?
There are 3 known substitutes for 7744566: 9540-20, 9540, 5158-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 7744566?
7744566 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-774-4566. This indicates validated use in U.S. government and defense supply chains.
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