# NSN 6540-01-486-3725: Depth Perception Apparatus, Ophth

NSN 6540-01-486-3725 (also written 6540014863725; NIIN 01-486-3725) is a depth perception apparatus, ophth in Federal Supply Class 6540, Ophthalmic Instruments, Equipment, and Supplies. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6540-01-486-3725 (6540014863725)
- NIIN: 01-486-3725 (014863725)
- Item name: DEPTH PERCEPTION APPARATUS,OPHTH
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | IDENTIFIES VISION PROBLEMS |
| AKYD | ACCESSORY COMPONENTS AND QUANTITY | STEREO FLY SO-001: HOUSE FLY TEST FOR GROSS STEREOPSIS (3552 TO 700 SECONDS OF ARC),1; GRADED CIRCLE TEST (800 TO 40 SECONDS OF ARC),1; ANIMAL TESTS FOR YOUNG CHILDREN (400 TO 100 SECONDS OF ARC),1; STANDARD 3-D VIEWERS, 1 PR |
| APQB | UNIT TYPE | STEREOSCOPIC |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | DEPTH PERCEPTION APPARATUS OPHTHALMIC |
| FEAT | SPECIAL FEATURES | RECOGNIZED AS THE STANDARD FOR STEREO DEPTH PERCEPTION TESTING; EVALUATES BOTH GROSS AND FINE DEPTH PERCEPTION; EFFECTIVE AND EASY TO USE METHOD OF SCREENING VISION FOR ALL AGES; HELPING TO IDENTIFY VISION PROBLEMS SUCH AS AMBLYOPIA, SUPPRESSION AND STRABISMUS THAT CAN IMPEDE A CHILD'S DEVELOPMENT AND PERFORMANCE |
| SUPP | SUPPLEMENTARY FEATURES | STEREOTESTS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 01-0221 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RA0SOFLY | 6T406 | LOMBART BROTHERS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SO001 | 02012 | STEREO OPTICAL COMPANY, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| STEREO FLY | 6T406 | LOMBART BROTHERS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-27 | $200.00 | 1 | STEREO OPTICAL COMPANY, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) |
| 2026-08-25 | $200.00 | 1 | STEREO OPTICAL COMPANY, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-28 | [SPE2DS27V0851](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) | DEPTH PERCEPTION AP | STEREO OPTICAL COMPANY, INC | $400.00 |
| 2026-10-27 | [SPE2DS27V0816](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) | DEPTH PERCEPTION APPARATUS, OPHTHALMIC | STEREO OPTICAL COMPANY, INC | $200.00 |
| 2026-09-14 | [SPE2DS26P3103](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) | DEPTH PERCEPTION AP | STEREO OPTICAL COMPANY, INC | $200.00 |
| 2026-08-25 | [SPE2DS26V9112](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725) | DEPTH PERCEPTION AP | STEREO OPTICAL COMPANY, INC | $200.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6540014863725&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6540014863725
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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