The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 4.270 INCHES NOMINAL IN, center_hole_diameter: 3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5331-00-455-7027, 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
MS33666-344
NSN:5331-00-455-7027 FSC:5331 — O-ring CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter
4.270 INCHES NOMINAL IN
center_hole_diameter
3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN
cross-sectional_height
0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN
5331-00-455-7027
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.270 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN
•
MATERIAL: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT
0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER
4.270 INCHES NOMINAL IN
CENTER HOLE DIAMETER
3.822 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN
MATERIAL
RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is MS33666-344?
MS33666-344 is a O-RING.
What parts can replace MS33666-344?
There are 2 known substitutes for MS33666-344: AS568-344, 2-344E515-8. Substitute compatibility should be verified for your specific system.
What is the NSN for MS33666-344?
MS33666-344 is cataloged in the U.S. Government catalog under NSN 5331-00-455-7027. This indicates validated use in U.S. government and defense supply chains.
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