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Technical Data Sheet
PartsTable / COMPONENT / 205101 ITEM 40
205101 ITEM 40 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-541-9201, 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
205101 ITEM 40
NSN: 5340-01-541-9201
FSC: 5340
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number205101 ITEM 40
NSN5340-01-541-9201
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 205101 ITEM 40 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
01-1050-1-02Interchangeable
interchangeable cross-reference
interchangeable
205WHITEInterchangeable
interchangeable cross-reference
interchangeable
205-101Interchangeable
interchangeable cross-reference
interchangeable
2082-6171-01Interchangeable
interchangeable cross-reference
interchangeable
128C539H07Interchangeable
interchangeable cross-reference
interchangeable
166F1-4BY1-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 205101 ITEM 40?
205101 ITEM 40 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 205101 ITEM 40?
There are 18 known substitutes for 205101 ITEM 40: 01-1050-1-02, 205WHITE, 205-101 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 205101 ITEM 40?
205101 ITEM 40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-541-9201. 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