PartsTable
Technical Data Sheet
MS33666-238 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-496-3855, 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
MS33666-238
NSN: 5331-01-496-3855
FSC: 5331 — O-RING
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
center_hole_diameter3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-496-3855
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS33666-238 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
CENTER HOLE DIAMETER: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
CENTER HOLE DIAMETER3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AM3227Interchangeable
interchangeable cross-reference
interchangeable
AS568-238Interchangeable
interchangeable cross-reference
interchangeable
938284631U01Interchangeable
interchangeable cross-reference
interchangeable
D3114650AInterchangeable
interchangeable cross-reference
interchangeable
58094Interchangeable
interchangeable cross-reference
interchangeable
D2000-05 2BG715E034EF11EF21F1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy MS33666-238?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS33666-238?
MS33666-238 is a O-RING.
What parts can replace MS33666-238?
There are 12 known substitutes for MS33666-238: AM3227, AS568-238, 938284631U01 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS33666-238?
MS33666-238 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-496-3855. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS33666-238