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308500 ✓ Verified by PartsTable
Ricoh · 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 CHAIN,LEAF is a Ricoh industrial component. Key specifications include material: STEEL, link_style: 4 X 4, effective_length: 0.9896 FEET NOMINAL FT, link_plate_width: 0.510 INCHES NOMINAL IN, link_nominal_width: 0.6400 INCHES IN, pin_overall_length: 0.7350 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-057-6914, 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
308500
NSN: 5330-00-057-6914
FSC: 5330
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
materialSTEEL
link_style4 X 4
effective_length0.9896 FEET NOMINAL FT
link_plate_width0.510 INCHES NOMINAL IN
link_row_quantity1
link_nominal_width0.6400 INCHES IN
pin_overall_length0.7350 INCHES NOMINAL IN
end_connection_stylePIN HOLE
pin_fastening_methodRIVETED
link_pin_nominal_diameter0.2000 INCHES IN
link_plate_nominal_thickness0.0800 INCHES IN
NSN5330-00-057-6914
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 308500 MFR: Ricoh ⚠ 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
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.561 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
CASE STYLESQUARE
HOUSING BORE DIAMETER1.561 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.313 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1111-545032Interchangeable
interchangeable cross-reference
interchangeable
WC90-1EInterchangeable
interchangeable cross-reference
interchangeable
308500Interchangeable
interchangeable cross-reference
interchangeable
277Interchangeable
interchangeable cross-reference
interchangeable
5024Interchangeable
interchangeable cross-reference
interchangeable
7468Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 308500?
308500 is a CHAIN,LEAF manufactured by Ricoh.
What parts can replace 308500?
There are 8 known substitutes for 308500: 1111-545032, WC90-1E, 308500 and 5 more. Substitute compatibility should be verified for your specific system.
Is 308500 still available?
308500 is currently cancelled.
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Last verified: July 2026