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Technical Data Sheet
PartsTable / COMPONENT / MILR6855CL1GR70 X.375DIAX20FTLG
MILR6855CL1GR70 X.375DIAX20FTLG ✓ 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 MILR6855CL1GR70 X.375DIAX20FTLG is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-309-5004, 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
MILR6855CL1GR70 X.375DIAX20FTLG
NSN: 5330-01-309-5004
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberMILR6855CL1GR70 X.375DIAX20FTLG
NSN5330-01-309-5004
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILR6855CL1GR70 X.375DIAX20FTLG 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
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
LENGTH: 20.000 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE CONDITION: SMOOTH BOTH SIDES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
NONMETALLIC HARDNESS RATING: 70.0 NOMINAL SHORE DUROMETER A
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLECIRCULAR
LENGTH20.000 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
SURFACE CONDITIONSMOOTH BOTH SIDES
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR LOCATION NOT OTHERWISE SPECIFIED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NONMETALLIC HARDNESS RATING70.0 NOMINAL SHORE DUROMETER A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
6227-4C557-7Interchangeable
interchangeable cross-reference
interchangeable
2-009C147-7Interchangeable
interchangeable cross-reference
interchangeable
AS568-009Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-6855AInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-6855Interchangeable
interchangeable cross-reference
interchangeable
M6855/4-08L289Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILR6855CL1GR70 X.375DIAX20FTLG?
MILR6855CL1GR70 X.375DIAX20FTLG is a MILR6855CL1GR70 X.375DIAX20FTLG.
What parts can replace MILR6855CL1GR70 X.375DIAX20FTLG?
There are 24 known substitutes for MILR6855CL1GR70 X.375DIAX20FTLG: 6227-4C557-7, 2-009C147-7, AS568-009 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILR6855CL1GR70 X.375DIAX20FTLG?
MILR6855CL1GR70 X.375DIAX20FTLG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-309-5004. 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