The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-324-9946, 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 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-324-9946 |
| Primary Part Number | 502981 |
| 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 |
| Indicator Type | LIGHT LOCATION NOT OTHERWISE SPECIFIED |
| DC Voltage Rating | 28.0 VOLTS NOMINAL |
| Overall Thickness | 0.253 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL |
| Special Markings | EL FLOODLIGHTS; SIDE; CTR; AFT; DIM; BRT; ON; OFF |
| Material | PLASTIC ACRYLIC PANEL |
| 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 |
|---|---|
| 502981 PRIMARY | Airco Industries, Inc. Dba Photo Etch Div Photo Etch (USA) |
| Reference | Meaning |
|---|---|
| 112-5031-15 | 5/9 Secondary reference Dyncorp Div North American Public Sector |
| 112-5031-15 | 7/2 Vendor item drawing reference Dyncorp International Llc |
NSN 6220-01-324-9946 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 6220-01-324-9946 has 1 manufacturer part number on file: 502981 (Airco Industries, Inc. Dba Photo Etch Div Photo Etch).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-331-1247. Verify interchangeability with system specifications before substitution.
Key specifications for 502981: Overall Height: 3.448 INCHES NOMINAL IN; Indicator Type: LIGHT LOCATION NOT OTHERWISE SPECIFIED; DC Voltage Rating: 28.0 VOLTS NOMINAL; Overall Thickness: 0.253 INCHES MAXIMUM IN. 6 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.
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.