The Lens,light, cataloged under National Stock Number 6520-01-658-9900, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is A-Dec Inc Dba a-Dec. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6520-01-658-9900 |
| Primary Part Number | 90.1343.00 |
| Item Name | Lens,light |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | A-Dec Inc Dba a-Dec |
| Status | ACTIVE |
| Surface Condition Color | CLEAR FACE |
| Light Transmission Design | TRANSLUCENT LENS |
| Material | PLASTIC LENS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 90.1343.00 | A-Dec Dental Uk Ltd (GBR) |
| 90.1343.00 PRIMARY | A-Dec Inc Dba a-Dec (USA) |
| Reference | Meaning |
|---|---|
| 1484473 | 5/1 Secondary reference U.S. Government activity |
| 6520NCM173717 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6520-01-658-9900 is a Lens,light, manufactured by A-Dec Inc Dba a-Dec, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-658-9900 has 2 manufacturer part numbers on file: 90.1343.00 (A-Dec Dental Uk Ltd), 90.1343.00 (A-Dec Inc Dba a-Dec).
Key specifications for 90.1343.00: Overall Height: 0.75 INCHES NOMINAL IN; Overall Length: 8.25 INCHES NOMINAL IN; Overall Width: 7.50 INCHES NOMINAL IN; Special Features: LENS, LIGHT; LENGTH: 8.25 INCHES NOMINAL; WIDTH: 7.50 INCHES NOMINAL; HEIGHT: 0.75 INCHES NOMINAL; WEIGHT 0.28 LBS; CLEAR LENS WITH GASKET USED ON DENTAL LIGHT MODEL 570L-578L; END ITEM 6520-01-622-2667, LIGHT, DENTAL DELIVERY SYSTEM LBS. 3 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.