The Mount Subassembly, cataloged under National Stock Number 6650-01-684-9759, 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 Ergotech Group, Inc.. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Mount Subassembly |
| FSC / FSG | 6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66) |
| Manufacturers | Ergotech Group, Inc. (CAGE 6EKA5); Naval Sea Systems Command (CAGE 53711); L3harris Mapps Inc (CAGE L4491) |
| Parameter | Value |
|---|---|
| NSN | 6650-01-684-9759 |
| Primary Part Number | 7FLEX-ETCN-104 |
| Item Name | Mount Subassembly |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Ergotech Group, 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 |
|---|---|
| 7FLEX-ETCN-104 PRIMARY | Ergotech Group, Inc. (USA) |
| 8741692 ITEM 5 | Naval Sea Systems Command (USA) |
| PS842-109618-01 | L3harris Mapps Inc (CAN) |
| Reference | Meaning |
|---|---|
| 8741692 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 6650-01-684-9759 is a Mount Subassembly, manufactured by Ergotech Group, Inc., classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-684-9759 has 3 manufacturer part numbers on file: 7FLEX-ETCN-104 (Ergotech Group, Inc.), 8741692 ITEM 5 (Naval Sea Systems Command), PS842-109618-01 (L3harris Mapps Inc).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-707-6140. Verify interchangeability with system specifications before substitution.
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.