The Lens,light, cataloged under National Stock Number 6220-00-673-4971, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6220-00-673-4971 |
| Primary Part Number | 21740-7 |
| Item Name | Lens,light |
| FSC / FSG | 6220 / 62 — No Item Name Available |
| Manufacturer | Grimes Aerospace Company |
| Status | CANCELLED |
| Color | RED LENS |
| Effective Diameter | 4.125 INCHES NOMINAL IN |
| Style Designator | CONVEX |
| Mounting Method | FLANGE |
| Flange Width | 0.125 INCHES NOMINAL IN |
| Surface Condition | SMOOTH BACK |
| Material | GLASS LENS |
| Mounting Device Quantity | 1 |
| Light Transmission Design | TRANSPARENT LENS |
| Overall Diameter | 4.375 INCHES NOMINAL IN |
| Surface Condition | SMOOTH FACE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 6220-00-673-4971 is a Lens,light, manufactured by Grimes Aerospace Company, classified under FSC 6220 (No Item Name Available). Status: cancelled.
NSN 6220-00-673-4971 has 2 cross-referenced part numbers: 21740-7 (Grimes Aerospace Company), 21740 (Grimes Aerospace Company).
There are 6 known substitutes for 6220-00-673-4971: 5305-00-012-1887, 5905-00-223-2741, 2825-00-671-4523 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21740-7: Color: RED LENS; Overall Height: 2.000 INCHES NOMINAL IN; Effective Diameter: 4.125 INCHES NOMINAL IN; Style Designator: CONVEX. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 6220-00-673-4971 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.