The Indicator,light, cataloged under National Stock Number 6220-01-533-4994, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Ace Aeronautics Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-533-4994 |
| Primary Part Number | 10-0240-21 |
| Item Name | Indicator,light |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Ace Aeronautics Llc |
| Status | ACTIVE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10-0240-21 PRIMARY | Ace Aeronautics Llc (USA) |
| Reference | Meaning |
|---|---|
| 30B1E4506-517 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6220-01-533-4994 is a Indicator,light, manufactured by Ace Aeronautics Llc, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-533-4994 has 1 manufacturer part number on file: 10-0240-21 (Ace Aeronautics Llc).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-580-6173. Verify interchangeability with system specifications before substitution.
Key specifications for 10-0240-21: Overall Height: 0.820 INCHES NOMINAL IN; Overall Length: 0.580 INCHES NOMINAL IN; Overall Width: 0.820 INCHES NOMINAL IN; Special Features: INDICATOR TEXT READS "LH AC OFF"; NVIS FILTER COLOR RED. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.