The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-140-3529, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is The Boeing Company Div Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-140-3529 |
| Primary Part Number | L74C0001-3 |
| Item Name | Panel,indicating,light Transmitt |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| L74C0001-3 | Sun Display Systems Llc (USA) |
| L74C0001-3 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| L74C0001-3 | 5/9 Secondary reference U.S. Government activity |
| L74C0001-3 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| MIL-DTL-7788 | 4/1 Identification reference U.S. Government activity |
| L74C0001-3 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 10788-3 | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| MD83008-3 | 3/9 Design control — primary reference Oppenheimer Precision Products Inc |
NSN 6220-01-140-3529 is a Panel,indicating,light Transmitt, manufactured by The Boeing Company Div Defense, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-140-3529 has 2 manufacturer part numbers on file: L74C0001-3 (Sun Display Systems Llc), L74C0001-3 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-228-0443, 6750-01-427-0577. Verify interchangeability with system specifications before substitution.
Key specifications for L74C0001-3: Overall Height: 1.320 INCHES MAXIMUM IN; Overall Length: 6.905 INCHES MAXIMUM IN; Overall Width: 4.560 INCHES MAXIMUM IN; Special Features: MATERIAL DOCUMENT AND CLASSIFICATION:PLASTIC,PER L-P-380,TYPE 2,CLASS 3. 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 6220-01-140-3529 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.