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Technical Data Sheet
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TD85 ✓ 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: STEEL CASE, case_style: SQUARE, seal_width: 0.359 INCHES NOMINAL IN, housing_bore_diameter: 2.714 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 1.750 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 5330-00-641-4255, 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
TD85
NSN: 5330-00-641-4255
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.359 INCHES NOMINAL IN
housing_bore_diameter2.714 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-641-4255
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TD85 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
•
HOUSING BORE DIAMETER: 2.714 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.359 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.714 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALSTEEL CASE
SEAL WIDTH0.359 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
MATERIALWOOL SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
697646Interchangeable
interchangeable cross-reference
interchangeable
1672Interchangeable
interchangeable cross-reference
interchangeable
MC10016Interchangeable
interchangeable cross-reference
interchangeable
10187817Interchangeable
interchangeable cross-reference
interchangeable
NRC1678Interchangeable
interchangeable cross-reference
interchangeable
D1243Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TD85?
TD85 is a SEAL,PLAIN ENCASED.
What parts can replace TD85?
There are 22 known substitutes for TD85: 697646, 1672, MC10016 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TD85?
TD85 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4255. 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