# NSN 6540-00-598-8078: Chart Set, Vision Acuity Testing

NSN 6540-00-598-8078 (also written 6540005988078; NIIN 00-598-8078) is a chart set, vision acuity testing in Federal Supply Class 6540, Ophthalmic Instruments, Equipment, and Supplies. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 6540-00-598-8078 (6540005988078)
- NIIN: 00-598-8078 (005988078)
- Item name: CHART SET,VISION ACUITY TESTING
- Federal Supply Class: [FSC 6540 Ophthalmic Instruments, Equipment, and Supplies](https://nsnexplorer.com/fsc/6540/)
- Federal Supply Group: [FSG 65](https://nsnexplorer.com/group/65/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CLBF | UNIT QUANTITY PER SET | 3 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 28.000 |
| CMKR | EYELET LOCATION | TOP CENTER |
| FEAT | SPECIAL FEATURES | STYLE AND DESIGN OF LETTERS ESTABLISHED BY ARMED FORCES AND NATIONAL RESEARCH COUNCIL VISION COMMITTEE |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 10.000 |
| CBTL | VISION TYPE | DISTANT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CHART SET VISION ACUITY TESTING CLINICAL DISTANT VISION |
| SUPP | SUPPLEMENTARY FEATURES | FOR ASTIGMATIC DIAL CHART ORDER 6540-00-388-5680; FOR COLOR VISION PLATE SET ORDER 6540-00-299-8186 |
| CMKP | OBVERSE SIDE FIGURE ARRANGEMENT | UNRELATED LETTERS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4744R | 1LF58 | RICHMOND PRODUCTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MU6540-00-598-8078 | 1LF58 | RICHMOND PRODUCTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6540005988078&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540005988078
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6540-00-598-8078/
JSON: https://nsnexplorer.com/api/nsn/6540-00-598-8078.json