The Light,cockpit,aircraft, cataloged under National Stock Number 6220-00-237-7284, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-00-237-7284 |
| Primary Part Number | B-4235A1 |
| Item Name | Light,cockpit,aircraft |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Lens Color | COLORLESS |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Method | BRACKET(S) |
| Lamp Base Type Accommodated | SINGLE CONTACT BAYONET CANDELABRA INDEXING |
| Wiring Provision Method | INDIVIDUAL WIRE |
| Lens Transparency | TRANSPARENT |
| Lamp Type Accommodated and Quantity | 1 ULTRAVIOLET |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Lens Surface Condition | SMOOTH FACE |
| Lens Surface Condition | SMOOTH BACK |
| Lens Type and Quantity | 1 PLANO CONVEX |
| Voltage Rating in Volts | 28.0 DC NOMINAL |
| 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 |
|---|---|
| B-4235A1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 6220-00-237-7284 is a Light,cockpit,aircraft, manufactured by Grimes Aerospace Company, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-00-237-7284 has 1 manufacturer part number on file: B-4235A1 (Grimes Aerospace Company).
Key specifications for B-4235A1: Lens Color: COLORLESS; Overall Diameter: 1.250 INCHES NOMINAL IN; Mounting Method: BRACKET(S); Overall Length: 3.438 INCHES NOMINAL IN. 13 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.