The Panel,fault-Function Indicator,a, cataloged under National Stock Number 1680-00-021-5510, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-021-5510 |
| Primary Part Number | 80-0199-1 |
| Item Name | Panel,fault-Function Indicator,a |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROLLED PART NO. 204-075-705-45 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 80-0199-1 | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| 204-075-705-45 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 1680-00-021-5510 is a Panel,fault-Function Indicator,a, manufactured by Grimes Aerospace Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-021-5510 has 1 manufacturer part number on file: 80-0199-1 (Grimes Aerospace Company).
2 possible matches (shared part number, not a government interchangeability claim): 1680-00-759-8274, 1680-00-850-4361. Verify interchangeability with system specifications before substitution.
Key specifications for 80-0199-1: Special Features: MAJOR COMPONENTS:20 NOM FILTER-BASIC P/N 25-0259,20 FILTERS P/N 25-0260-7,20 FILTERS P/N 25-0260-11,20 LENS RETAINERS P/N 66-1868-1,1 PANEL P/N 81-0335-1,1 P.C.BOARD ASSY P/N 81-0817-1,2 P.C.BOARD ASSY P/N 81-0819-1,17 P.C.BOARD ASSYS P/N 81-0821-1,1 BASE ASSY P/N 81-0827-1,1 ID PLATE P/N 81-0828-1,2 LAMP HOUSING ASSYS P/N A5181,1 PANEL SUBASSY P/N 81-0825-1,1 SCREW P/N MS24693S27,4 SCREWS P/N MS24995C3,42 LAMPS P/N MS25237-322; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROLLED PART NO. 204-075-705-45. 1 specification is 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.