The Light,surgical,ceiling, cataloged under National Stock Number 6530-01-055-0843, is classified within Federal Supply Class 6530 (Hospital Furniture, Equipment, Utensils, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Steris Corporation Dba Steris Applied Sterilization Technololgies. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6530-01-055-0843 |
| Primary Part Number | CHALLENGE 22 |
| Item Name | Light,surgical,ceiling |
| FSC / FSG | 6530 / 65 — Hospital Furniture, Equipment, Utensils, and Supplies |
| Manufacturer | Steris Corporation Dba Steris Applied Sterilization Technololgies |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 LAMP |
| Reflector Inclosure Type | INCLOSED MULTIPLE AND INCLOSED SINGULAR |
| Overall Diameter | 22.000 INCHES NOMINAL IN |
| Mounting Method | PENDANT |
| Lamp Base Type Accommodated | MEDIUM SCREW |
| Light Suspension Counterbalance Method | OFFSET PENDANT |
| Wiring Provision Method | INDIVIDUAL WIRE |
| Reflector Shape | CONCAVE |
| Surface Treatment | ENAMEL BODY |
| Surface Treatment | ANODIZE REFLECTOR |
| Lamp Type Accommodated and Quantity | 2 INCANDESCENT |
| Material | ALUMINUM REFLECTOR |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Voltage Rating in Volts | 115.0 AC NOMINAL |
| Hazardous Locations/environmental Protection | EXPLOSION PROOF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| CHALLENGE 22 PRIMARY | Steris Corporation Dba Steris Applied Sterilization Technololgies (USA) |
| POLARIS 22 PRIMARY | Steris Corporation Dba Steris Applied Sterilization Technololgies (USA) |
| Reference | Meaning |
|---|---|
| POLARIS 22 | 5/9 Secondary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
| CHALLENGE 22 | 3/9 Design control — primary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
NSN 6530-01-055-0843 is a Light,surgical,ceiling, manufactured by Steris Corporation Dba Steris Applied Sterilization Technololgies, classified under FSC 6530, Hospital Furniture, Equipment, Utensils, and Supplies. Status: active.
NSN 6530-01-055-0843 has 2 manufacturer part numbers on file: CHALLENGE 22 (Steris Corporation Dba Steris Applied Sterilization Technololgies), POLARIS 22 (Steris Corporation Dba Steris Applied Sterilization Technololgies).
Key specifications for CHALLENGE 22: Furnished Items and Quantity: 4 LAMP; Overall Height: 25.500 INCHES NOMINAL IN; Reflector Inclosure Type: INCLOSED MULTIPLE AND INCLOSED SINGULAR; Overall Diameter: 22.000 INCHES NOMINAL IN. 16 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.