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Technical Data Sheet
217745 ✓ 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-PLUG,PROTECTIVE,DUST AND MOI. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-169-3175, 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
217745
NSN: 5340-01-169-3175
FSC: 5340
CAGE: 10237 — CADILLAC GAGE TEXTRON INC. (USA)
SPECIFICATIONS
Part Number217745
NSN5340-01-169-3175
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 217745 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 12
50646Interchangeable
interchangeable cross-reference
interchangeable
1953-30Interchangeable
interchangeable cross-reference
interchangeable
TYPERSInterchangeable
interchangeable cross-reference
interchangeable
783-32Interchangeable
interchangeable cross-reference
interchangeable
XX-78333Interchangeable
interchangeable cross-reference
interchangeable
549219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 217745?
217745 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 217745?
There are 12 known substitutes for 217745: 50646, 1953-30, TYPERS and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 217745?
217745 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-169-3175. This indicates validated use in U.S. government and defense supply chains.
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