The Lens,light, cataloged under National Stock Number 6210-01-030-0637, is classified within Federal Supply Class 6210 (Indoor and Outdoor Electric Lighting Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Killark Electric Mfg Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6210-01-030-0637 |
| Primary Part Number | X021BR |
| Item Name | Lens,light |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Killark Electric Mfg Co |
| Status | ACTIVE |
| Thread Diameter | 1.330 INCHES IN |
| Effective Diameter | 1.187 INCHES NOMINAL IN |
| Overall Diameter | 1.437 INCHES NOMINAL IN |
| Thread Series | UNS |
| Mounting Method | EXTERNAL THREAD |
| Style Designator | FLAT |
| Material Document and Classification | MIL-G-2860 MIL SPEC SINGLE MATERIAL RESPONSE LENS |
| Material Document and Classification | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE HOLDER |
| Surface Condition | SMOOTH FACE |
| Surface Condition | SMOOTH BACK |
| Mounting Device Quantity | 1 |
| Thread Direction | RIGHT-HAND |
| Color | RUBY LENS |
| Light Transmission Design | TRANSPARENT LENS |
| Furnished Items | 2 GASKETS |
| Thread Class | 2A A |
| Material | GLASS LENS |
| Material | ALUMINUM ALLOY 6061 HOLDER |
| Thread Quantity | 18 PER INCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| X021BR PRIMARY | Killark Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 67A274C517 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 6210-01-030-0637 is a Lens,light, manufactured by Killark Electric Mfg Co, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-01-030-0637 has 1 manufacturer part number on file: X021BR (Killark Electric Mfg Co).
Key specifications for X021BR: Thread Diameter: 1.330 INCHES IN; Effective Diameter: 1.187 INCHES NOMINAL IN; Overall Diameter: 1.437 INCHES NOMINAL IN; Thread Series: UNS. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.