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Technical Data Sheet
PartsTable / COMPONENT / D565
D565 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include height: 0.300 INCHES NOMINAL IN, material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_width: 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN, joint_type: SCARF-PERIPHERAL BOTTOM RING, body_height: 2.160 INCHES MAXIMUM 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 5330-00-146-2801, 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
D565
NSN: 5330-00-146-2801
FSC: 5330
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
height0.300 INCHES NOMINAL IN
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_width2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
joint_typeSCARF-PERIPHERAL BOTTOM RING
body_height2.160 INCHES MAXIMUM IN
body_length2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN
bore_diameter0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
inside_diameter0.220 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN5330-00-146-2801
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D565 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
•
OUTSIDE DIAMETER: 1.238 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR BOTTOM RING
•
MATERIAL: PLASTIC BOTTOM RING
•
HEIGHT: 0.300 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.992 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.238 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
MATERIALPLASTIC BOTTOM RING
CROSS-SECTIONAL SHAPE STYLESPECIAL INTERMEDIATE RING
MATERIALRUBBER SYNTHETIC INTERMEDIATE RING
MATERIALPLASTIC TOP RING
HEIGHT0.300 INCHES NOMINAL IN
INSIDE DIAMETER0.992 INCHES NOMINAL IN
JOINT TYPESCARF-PERIPHERAL BOTTOM RING
JOINT TYPESCARF-PERIPHERAL TOP RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
T9-42Interchangeable
interchangeable cross-reference
interchangeable
5250642Interchangeable
interchangeable cross-reference
interchangeable
A250642Interchangeable
interchangeable cross-reference
interchangeable
40448Interchangeable
interchangeable cross-reference
interchangeable
23-016Interchangeable
interchangeable cross-reference
interchangeable
D565Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D565?
D565 is a TRANSFORMER,POWER.
What parts can replace D565?
There are 6 known substitutes for D565: T9-42, 5250642, A250642 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D565?
D565 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-2801. 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