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PartsTable / COMPONENT / MS17290-20
MS17290-20 ✓ 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. Key specifications include material: PLASTIC, design_type: FRICTION, overall_diameter: 2.000 INCHES NOMINAL IN, inside_diameter_length: 0.935 INCHES NOMINAL IN, round_cap_outside_surface_condition: RIBBED, material_document_and_classification: MIL-M-14, TYPE MFI-20 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-M-14, TYPE MAI-60 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-120-9366, 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
MS17290-20
NSN: 5340-01-120-9366
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
overall_diameter2.000 INCHES NOMINAL IN
inside_diameter_length0.935 INCHES NOMINAL IN
round_cap_outside_surface_conditionRIBBED
material_document_and_classificationMIL-M-14, TYPE MFI-20 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-M-14, TYPE MAI-60 MIL SPEC SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed1.312 INCHES NOMINAL IN
NSN5340-01-120-9366
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS17290-20 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-14, TYPE MFI-20 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-M-14, TYPE MAI-60 MIL SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER LENGTH: 0.935 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.312 INCHES NOMINAL IN
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
DESIGN TYPE: FRICTION
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-14, TYPE MFI-20 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-M-14, TYPE MAI-60 MIL SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER LENGTH0.935 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.312 INCHES NOMINAL IN
OVERALL DIAMETER2.000 INCHES NOMINAL IN
MATERIALPLASTIC
DESIGN TYPEFRICTION
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MS17290-8Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-24560/12Interchangeable
interchangeable cross-reference
interchangeable
M24560/12-011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS17290-20?
MS17290-20 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace MS17290-20?
There are 3 known substitutes for MS17290-20: MS17290-8, MIL-DTL-24560/12, M24560/12-011. Substitute compatibility should be verified for your specific system.
What is the NSN for MS17290-20?
MS17290-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-120-9366. 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