The Eyepiece,microscope, cataloged under National Stock Number 6650-01-562-4039, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Black & Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6650-01-562-4039 |
| Primary Part Number | 7777*MEJI-MA502 |
| Item Name | Eyepiece,microscope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Black & Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7777*MEJI-MA502 PRIMARY | Black & Company (USA) |
| Reference | Meaning |
|---|---|
| MA-502 | 5/9 Secondary reference Meiji Techno America, Incorporated |
NSN 6650-01-562-4039 is a Eyepiece,microscope, manufactured by Black & Company, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-562-4039 has 1 manufacturer part number on file: 7777*MEJI-MA502 (Black & Company).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-619-7186. Verify interchangeability with system specifications before substitution.
Key specifications for 7777*MEJI-MA502: Part Name Assigned by Controlling Agency: EYE PIECE; End Item Identification: 6625-01-542-9039;MAINTENANCE KIT,ELECTRONIC EQUIPMENT. 0 specifications are 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.