The HA21-4U is a the manufacturer industrial component. Key specifications include Form Factor: 4U. The unit ships in a 2U form factor suitable for standard rack-mount installations.
This part is cataloged in the U.S. Government catalog under NSN 5920-01-101-5744, 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
MRO→MRO_GENERAL→2U BAY→HA21-4U
NSN:5920-01-101-5744 FSC:5920 — Fuses, Arrestors, Absorbers, and Protectors CAGE:F0114 — UNION TECHNIQUE ELECTRICITE (FRA)
SPECIFICATIONS
Form Factor
4U
NSN
5920-01-101-5744
COMPONENT DIAGRAM
KEY FEATURES
•
2U Form Factor
OTHER ITEMS IN FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is HA21-4U?
HA21-4U is a HA21-4U. It is classified as a MRO (MRO_GENERAL).
What is the NSN for HA21-4U?
HA21-4U is cataloged in the U.S. Government catalog under NSN 5920-01-101-5744. This indicates validated use in U.S. government and defense supply chains.
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