The Glass Back Spherical, cataloged under National Stock Number 6540-01-504-0409, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Opticast Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-504-0409 |
| Primary Part Number | GLASS BACK SPHERICAL |
| Item Name | Glass Back Spherical |
| FSC / FSG | 6540 / 65 — No Item Name Available |
| Manufacturer | Opticast Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 02-2380 | Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA) |
| GLASS BACK SPHERICAL PRIMARY | Opticast Inc (USA) |
| 6540NCM021751 | Defense Medical Standardization Board (USA) |
NSN 6540-01-504-0409 is a Glass Back Spherical, manufactured by Opticast Inc, classified under FSC 6540 (No Item Name Available). Status: active.
NSN 6540-01-504-0409 has 3 cross-referenced part numbers: 02-2380 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), GLASS BACK SPHERICAL (Opticast Inc), 6540NCM021751 (Defense Medical Standardization Board).
There is 1 known substitute for 6540-01-504-0409: 2805-00-353-8635. Verify interchangeability with system specifications before substitution.
Key specifications for GLASS BACK SPHERICAL: Part Name Assigned by Controlling Agency: GLASS BACK SPHERICAL FOR OPTICAST MOLDS NO CYLINDER USE W/6540-01-504-0426; End Item Identification: FOR USE WITH NSN 6540-01-504-0426, SYSTEM, MOLDING LENS; Special Features: GLASS BACK FOR THE OPTICAST MOLDS (SPHERICAL); WITH NO CYLINDER. 3 total characteristics are documented in the Federal Logistics Information System.