The Lens,ophthalmic,sphere, cataloged under National Stock Number 6540-00-001-0144, 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 I F Optical Company Inc Dba Chicago Optical Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PR.
| Parameter | Value |
|---|---|
| NSN | 6540-00-001-0144 |
| Primary Part Number | M300 |
| Item Name | Lens,ophthalmic,sphere |
| FSC / FSG | 6540 / 65 — No Item Name Available |
| Manufacturer | I F Optical Company Inc Dba Chicago Optical Co |
| Status | ACTIVE |
| Cross-Sectional Shape Style | SPHERE |
| Base Curve Diopter | 7.00 PLUS NOMINAL |
| Light Transmission | UNTINTED |
| Sphere Curve Inside Diopter | 3.00 MINUS MAXIMUM |
| Material | PLASTIC SINGLE VISION |
| Cubic Measure | 1.100 CUBIC FEET |
| Style Designator | ROUND |
| Supplementary Features | UNCUT |
| Thickness | 1.6 MILLIMETERS NOMINAL MM |
| Diameter | 71.0 MILLIMETERS MINIMUM MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | PR |
| Part Number | Manufacturer |
|---|---|
| M300 PRIMARY | I F Optical Company Inc Dba Chicago Optical Co (USA) |
| LENS,M3.00SPH,2BC,71MM DIA | His Vision Inc (USA) |
| 0001201449 PRIMARY | Dispensers Optical Service Corp (USA) |
| M3.00 SPHERE | Dispensers Optical Service Corp (USA) |
NSN 6540-00-001-0144 is a Lens,ophthalmic,sphere, manufactured by I F Optical Company Inc Dba Chicago Optical Co, classified under FSC 6540 (No Item Name Available). Status: active.
NSN 6540-00-001-0144 has 4 cross-referenced part numbers: M300 (I F Optical Company Inc Dba Chicago Optical Co), LENS,M3.00SPH,2BC,71MM DIA (His Vision Inc), 0001201449 (Dispensers Optical Service Corp), M3.00 SPHERE (Dispensers Optical Service Corp).
There are 7 known substitutes for 6540-00-001-0144: 4330-00-081-6059, 5965-00-280-3606, 5120-00-900-1285 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M300: Cross-Sectional Shape Style: SPHERE; Base Curve Diopter: 7.00 PLUS NOMINAL; Light Transmission: UNTINTED; Sphere Curve Inside Diopter: 3.00 MINUS MAXIMUM. 11 total characteristics are documented in the Federal Logistics Information System.