The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-140-3522, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Airco Industries, Inc. Dba Photo Etch Div Photo Etch. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-140-3522 |
| Primary Part Number | 302544 |
| Item Name | Panel,indicating,light Transmitt |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Airco Industries, Inc. Dba Photo Etch Div Photo Etch |
| Status | ACTIVE |
| Material Document and Classification | MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL |
| Material | PLASTIC ACRYLIC PANEL |
| 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 |
|---|---|
| 302544 PRIMARY | Airco Industries, Inc. Dba Photo Etch Div Photo Etch (USA) |
| MD77011-185 PRIMARY | Oppenheimer Precision Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 74B800070-185 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10154532 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 6220-01-140-3522 is a Panel,indicating,light Transmitt, manufactured by Airco Industries, Inc. Dba Photo Etch Div Photo Etch, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-140-3522 has 2 manufacturer part numbers on file: 302544 (Airco Industries, Inc. Dba Photo Etch Div Photo Etch), MD77011-185 (Oppenheimer Precision Products Inc).
Key specifications for 302544: Overall Height: 0.391 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL; Overall Length: 2.600 INCHES MAXIMUM IN; Overall Width: 1.410 INCHES MAXIMUM IN. 2 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 6220-01-140-3522 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.