The Borescope, cataloged under National Stock Number 6650-01-159-9064, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-159-9064 |
| Primary Part Number | A17-17-90-53 |
| Item Name | Borescope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Olympus America Inc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 21C3657P01 | General Electric Company (USA) |
| A17-17-90-53 | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| 6650-5220-1007 | 6/9 Informative reference only U.S. Government activity |
NSN 6650-01-159-9064 is a Borescope, manufactured by Olympus America Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-159-9064 has 2 manufacturer part numbers on file: 21C3657P01 (General Electric Company), A17-17-90-53 (Olympus America Inc).
Key specifications for A17-17-90-53: Special Features: COGNIZANT SERVICE:NAVY; End Item Identification: AIRCRAFT ENGINE MODEL J85-GE-4B; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 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.