The Fixation Cards, cataloged under National Stock Number 6540-01-456-5494, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6540-01-456-5494 |
| Item Name | Fixation Cards |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| General Characteristics Item Description | A SET OF 4 FIXATION CARDS FOR USE IN PERFORMING RETINOSCOPY; CARDS ATTACH TO HANDLE OF RETINOSCOPE TO PROVIDE A FIXATION TARGET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 18250 | 3/1 Design control — primary reference Welch Allyn, Inc. |
| 18250 | 3/9 Design control — primary reference Welch Allyn Holdings, Inc. |
| 18250 | 5/9 Secondary reference Krasity's Medical & Surgical Supply, Inc. Dba Krasity's |
| 98-0295 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-456-5494 is a Fixation Cards, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-598-5204. Verify interchangeability with system specifications before substitution.
Key specifications for 6540-01-456-5494: General Characteristics Item Description: A SET OF 4 FIXATION CARDS FOR USE IN PERFORMING RETINOSCOPY; CARDS ATTACH TO HANDLE OF RETINOSCOPE TO PROVIDE A FIXATION TARGET; Part Name Assigned by Controlling Agency: FIXATION CARDS SET OF 4 USED IN RETINOSCOPY. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.