NSN 6021-01-490-0359 — this item is cataloged by the U.S. Government under National Stock Number 6021-01-490-0359. Manufacturer of record part number: 212776-B21.
General Characteristics Item Description: POWER 75 WATTS
1 manufacturer part number on file
Manufacturer of record: Compaq Computer Corp.
Identification
NSN: 6021-01-490-0359
NIIN: 014900359
FSC: 6021 — Fiber Optic Switches
FSG: 60 — Fiber Optics Materials, Components, Assemblies, and Accessories
Primary part number: 212776-B21
Manufacturer: Compaq Computer Corp.
General Description
The Switch,fiber Optic, cataloged under National Stock Number 6021-01-490-0359, is classified within Federal Supply Class 6021 (Fiber Optic Switches) of the Fiber Optics Materials, Components, Assemblies, and Accessories group. The manufacturer of record is Compaq Computer Corp.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 6021-01-490-0359?
NSN 6021-01-490-0359 is a Switch,fiber Optic, manufactured by Compaq Computer Corp., classified under FSC 6021, Fiber Optic Switches. Status: active.
What part numbers are listed for NSN 6021-01-490-0359?
NSN 6021-01-490-0359 has 1 manufacturer part number on file: 212776-B21 (Compaq Computer Corp.).
What are the specifications of 212776-B21?
Key specifications for 212776-B21: Overall Height: 2.570 INCHES NOMINAL IN; Voltage in Volts and Current Type: 265.0 AC; General Characteristics Item Description: POWER 75 WATTS; Overall Length: 17.720 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 6021-01-490-0359 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.