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PartsTable / COMPONENT / 122100H45
122100H45 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_radius: 2.375 INCHES NOMINAL IN, corner_radius: 0.438 INCHES NOMINAL IN, hole_diameter: 0.500 INCHES NOMINAL IN, body_thickness: 0.125 INCHES NOMINAL IN, inside_diameter: 3.688 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-359-1095, 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
122100H45
NSN: 5340-00-359-1095
FSC: 5340
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
body_radius2.375 INCHES NOMINAL IN
corner_radius0.438 INCHES NOMINAL IN
hole_diameter0.500 INCHES NOMINAL IN
body_thickness0.125 INCHES NOMINAL IN
inside_diameter3.688 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
bolt_circle_diameter5.250 INCHES NOMINAL IN
fsc_application_dataAXLE,VEHICULAR,NONDRIVING
inside_corner_radius0.750 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
NSN5340-00-359-1095
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 122100H45 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
•
CORNER RADIUS: 0.438 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY
•
INSIDE DIAMETER: 3.688 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.750 INCHES NOMINAL IN
•
BODY RADIUS: 2.375 INCHES NOMINAL IN
•
FSC APPLICATION DATA: AXLE,VEHICULAR,NONDRIVING
•
BOLT CIRCLE DIAMETER: 5.250 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER RADIUS0.438 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
INSIDE DIAMETER3.688 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.750 INCHES NOMINAL IN
BODY RADIUS2.375 INCHES NOMINAL IN
FSC APPLICATION DATAAXLE,VEHICULAR,NONDRIVING
BOLT CIRCLE DIAMETER5.250 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
HOLE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1078-3Upgraded Successor
successor cross-reference
successor
16450-4Interchangeable
interchangeable cross-reference
interchangeable
47H101-4Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY3SEBInterchangeable
interchangeable cross-reference
interchangeable
24159Interchangeable
interchangeable cross-reference
interchangeable
1266Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 122100H45?
122100H45 is a COVER,ACCESS.
What parts can replace 122100H45?
There are 17 known substitutes for 122100H45: 1078-3, 16450-4, 47H101-4 and 14 more. Substitute compatibility should be verified for your specific system.
Is 122100H45 still available?
122100H45 is currently cancelled.
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Last verified: July 2026