NSN 6021-01-672-3687 · NIIN 016723687 · Part number 275A505-207
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 6021 — Fiber Optic Switches · FSG 60 — Fiber Optics Materials, Components, Assemblies, and Accessories · CAGE 03640
Government record, cited
NSN 6021-01-672-3687 — this item is cataloged by the U.S. Government under National Stock Number 6021-01-672-3687. Manufacturer of record part number: 275A505-207.
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 6021-01-672-3687
NIIN: 016723687
FSC: 6021 — Fiber Optic Switches
FSG: 60 — Fiber Optics Materials, Components, Assemblies, and Accessories
Primary part number: 275A505-207
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Switch,fiber Optic, cataloged under National Stock Number 6021-01-672-3687, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Switch,fiber Optic
FSC / FSG
6021 — Fiber Optic Switches (FSG 60)
Manufacturers
Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 03640)
Technical Specifications
Parameter
Value
NSN
6021-01-672-3687
Primary Part Number
275A505-207
Item Name
Switch,fiber Optic
FSC / FSG
6021 / 60 — Fiber Optic Switches
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
Reference documents
Reference
Meaning
2ZKF85140-0007
7/2Vendor item drawing reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6021 — Fiber Optic Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6021-01-327-6737
6021-01-327-6737 · Item name not on file
6021-01-360-6933
SWITCH,FIBER OPTIC
6021-01-364-1635
6021-01-364-1635 · Item name not on file
6021-01-391-4744
6021-01-391-4744 · Item name not on file
6021-01-406-3956
6021-01-406-3956 · Item name not on file
6021-01-417-3720
SWITCH,FIBER OPTIC
6021-01-419-9339
SWITCH,FIBER OPTIC
6021-01-428-4122
SWITCH,FIBER OPTIC
Frequently Asked Questions
What is NSN 6021-01-672-3687?
NSN 6021-01-672-3687 is a Switch,fiber Optic, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 6021, Fiber Optic Switches. Status: active.
What part numbers are listed for NSN 6021-01-672-3687?
NSN 6021-01-672-3687 has 1 manufacturer part number on file: 275A505-207 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Is NSN 6021-01-672-3687 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.
What is the DEMIL code for NSN 6021-01-672-3687?
NSN 6021-01-672-3687 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.