The Tip Adapter,borescope, cataloged under National Stock Number 6650-01-320-6623, 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 Olympus America Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6650-01-320-6623 |
| Primary Part Number | IF8D4-A40S |
| Item Name | Tip Adapter,borescope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Olympus America Inc |
| 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 |
|---|---|
| IF8D4-A40S | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| IF8D4-A40S | 3/9 Design control — primary reference Olympus America Inc |
NSN 6650-01-320-6623 is a Tip Adapter,borescope, manufactured by Olympus America Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-320-6623 has 1 manufacturer part number on file: IF8D4-A40S (Olympus America Inc).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-389-0225. Verify interchangeability with system specifications before substitution.
Key specifications for IF8D4-A40S: End Item Identification: PROBE CAGE 61100. 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.