FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories
General Description
The Switch,assy Start, cataloged under National Stock Number 2920-01-656-9541, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Switch,assy Start
FSC / FSG
2920 — Engine Electrical System Components, Nonaircraft (FSG 29)
Technical Specifications
Parameter
Value
NSN
2920-01-656-9541
Item Name
Switch,assy Start
FSC / FSG
2920 / 29 — Engine Electrical System Components, Nonaircraft
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
T00114-5083
3/9Design control — primary reference
Terra Group Corp.
T00114-5083
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
No interchangeability data on file.
Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-003-5173
2920-00-003-5173 · Item name not on file
2920-00-005-1596
2920-00-005-1596 · Item name not on file
2920-00-035-6718
2920-00-035-6718 · Item name not on file
2920-00-158-2674
REGULATOR,ENGINE GENERATOR
2920-00-255-4938
REGULATOR,ENGINE GENERATOR
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
Frequently Asked Questions
What is NSN 2920-01-656-9541?
NSN 2920-01-656-9541 is a Switch,assy Start, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
Is NSN 2920-01-656-9541 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.