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TTS603 ✓ 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 CUP,COMPRESSION is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, overall_length: 0.438 INCHES NOMINAL IN, feather_edge_angle: 30.0 DEGREES NOMINAL, center_hole_diameter: 0.500 INCHES NOMINAL IN, fsc_application_data: JACK ASSY,SWEEPER,ROTARY,TRAILER MOUNTED, recess_inside_diameter: 1.000 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 5340-00-598-7720, 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
TTS603
NSN: 5340-00-598-7720
FSC: 5340
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialLEATHER OVERALL
overall_length0.438 INCHES NOMINAL IN
feather_edge_angle30.0 DEGREES NOMINAL
center_hole_diameter0.500 INCHES NOMINAL IN
fsc_application_dataJACK ASSY,SWEEPER,ROTARY,TRAILER MOUNTED
recess_inside_diameter1.000 INCHES NOMINAL IN
base_material_thickness0.125 INCHES NOMINAL IN
NSN5340-00-598-7720
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TTS603 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
•
FEATHER EDGE ANGLE: 30.0 DEGREES NOMINAL
•
RECESS INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
•
FSC APPLICATION DATA: JACK ASSY,SWEEPER,ROTARY,TRAILER MOUNTED
TECHNICAL CHARACTERISTICS (FLIS)
FEATHER EDGE ANGLE30.0 DEGREES NOMINAL
RECESS INSIDE DIAMETER1.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
FSC APPLICATION DATAJACK ASSY,SWEEPER,ROTARY,TRAILER MOUNTED
OVERALL LENGTH0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1111-5Interchangeable
interchangeable cross-reference
interchangeable
1111Interchangeable
interchangeable cross-reference
interchangeable
H82651Interchangeable
interchangeable cross-reference
interchangeable
5278-0000-115Interchangeable
interchangeable cross-reference
interchangeable
287-1004P13Interchangeable
interchangeable cross-reference
interchangeable
113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TTS603?
TTS603 is a CUP,COMPRESSION.
What parts can replace TTS603?
There are 14 known substitutes for TTS603: 1111-5, 1111, H82651 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TTS603?
TTS603 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-598-7720. 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