The Lens,ophthalmic,sphere, cataloged under National Stock Number 6540-01-274-7165, 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 Gerber Coburn Optical Industries Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PR.
| Parameter | Value |
|---|---|
| NSN | 6540-01-274-7165 |
| Primary Part Number | M1.75 |
| Item Name | Lens,ophthalmic,sphere |
| FSC / FSG | 6540 / 65 — No Item Name Available |
| Manufacturer | Gerber Coburn Optical Industries Inc |
| Status | ACTIVE |
| Width | 71.0 MILLIMETERS NOMINAL MM |
| Thickness | 2.2 MILLIMETERS NOMINAL MM |
| Style Designator | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| Material | GLASS SINGLE VISION |
| Sphere Curve Inside Diopter | 1.75 MINUS NOMINAL |
| Cross-Sectional Shape Style | SPHERE |
| Height | 71.0 MILLIMETERS NOMINAL MM |
| Cubic Measure | 2.196 CUBIC FEET |
| Light Transmission | UNTINTED |
| Diameter | 71.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | PR |
| Part Number | Manufacturer |
|---|---|
| M1.75 | Gerber Coburn Optical Industries Inc (USA) |
| M1.75 71MM | Gerber Coburn Optical Industries Inc (USA) |
NSN 6540-01-274-7165 is a Lens,ophthalmic,sphere, manufactured by Gerber Coburn Optical Industries Inc, classified under FSC 6540 (No Item Name Available). Status: active.
NSN 6540-01-274-7165 has 2 cross-referenced part numbers: M1.75 (Gerber Coburn Optical Industries Inc), M1.75 71MM (Gerber Coburn Optical Industries Inc).
There are 8 known substitutes for 6540-01-274-7165: 9540-00-145-8392, 3110-00-156-4713, 5330-00-285-9462 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for M1.75: Width: 71.0 MILLIMETERS NOMINAL MM; Thickness: 2.2 MILLIMETERS NOMINAL MM; Style Designator: ROUND-RECTANGULAR WITH ROUNDED CORNERS; Material: GLASS SINGLE VISION. 12 total characteristics are documented in the Federal Logistics Information System.