The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-225-4096, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Eaton Aerospace Llc Ed and C Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-225-4096 |
| Primary Part Number | 4075421 |
| Item Name | Panel,indicating,light Transmitt |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Eaton Aerospace Llc Ed and C Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MD74002-421 | Oppenheimer Precision Products Inc (USA) |
| 4075421 PRIMARY | Eaton Aerospace Llc Ed and C Div (USA) |
| Reference | Meaning |
|---|---|
| 68B818040-421 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 6220-01-225-4096 is a Panel,indicating,light Transmitt, manufactured by Eaton Aerospace Llc Ed and C Div, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-225-4096 has 2 manufacturer part numbers on file: MD74002-421 (Oppenheimer Precision Products Inc), 4075421 (Eaton Aerospace Llc Ed and C Div).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-317-9779. Verify interchangeability with system specifications before substitution.
Key specifications for 4075421: Overall Length: 5.703 INCHES NOMINAL IN; Overall Width: 2.578 INCHES NOMINAL IN; End Item Identification: F-15A/B/C/D ACFT A. 0 specifications are 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.
NSN 6220-01-225-4096 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.