The 21C890-18 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, construction: LAMINATED, outside_diameter: 3.080 INCHES MINIMUM AND 3.100 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN, features_provided: SEPARABLE. This part is cataloged in the U.S.
Government catalog under NSN 5365-01-285-9359, 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
21C890-18
NSN:5365-01-285-9359 FSC:5365 — Bushings, Rings, Shims, and Spacers CAGE:07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
material
COPPER ALLOY
construction
LAMINATED
outside_diameter
3.080 INCHES MINIMUM AND 3.100 INCHES MAXIMUM IN
style_designator
CIRCULAR
aperture_diameter
1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
features_provided
SEPARABLE
lamination_quantity
10
lamination_thickness
0.002 INCHES NOMINAL IN
NSN
5365-01-285-9359
COMPONENT DIAGRAM
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 3.080 INCHES MINIMUM AND 3.100 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
•
FEATURES PROVIDED: SEPARABLE
•
LAMINATION QUANTITY: 10
•
LAMINATION THICKNESS: 0.002 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
CONSTRUCTION: LAMINATED
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOR
CIRCULAR
OUTSIDE DIAMETER
3.080 INCHES MINIMUM AND 3.100 INCHES MAXIMUM IN
APERTURE DIAMETER
1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
FEATURES PROVIDED
SEPARABLE
LAMINATION QUANTITY
10
LAMINATION THICKNESS
0.002 INCHES NOMINAL IN
MATERIAL
COPPER ALLOY
CONSTRUCTION
LAMINATED
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 21C890-18?
21C890-18 is a 21C890-18.
What is the NSN for 21C890-18?
21C890-18 is cataloged in the U.S. Government catalog under NSN 5365-01-285-9359. This indicates validated use in U.S. government and defense supply chains.
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