The Terminal Block,electrical, cataloged under National Stock Number 2920-01-580-5249, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2920-01-580-5249 |
| Primary Part Number | F099978 REV - |
| Item Name | Terminal Block,electrical |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| F099978 REV - | Lake Shore Systems, Inc. (USA) |
| F090493 IT 7 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1413400 | 3/1 Design control — primary reference Regal Beloit America, Inc |
NSN 2920-01-580-5249 is a Terminal Block,electrical, manufactured by Lake Shore Systems, Inc., classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-580-5249 has 2 manufacturer part numbers on file: F099978 REV - (Lake Shore Systems, Inc.), F090493 IT 7 (Lake Shore Systems, Inc.).
Key specifications for F099978 REV -: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.