The Iris Diaphragm,optical Instrumen, cataloged under National Stock Number 6650-01-534-3587, 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 Drs Network & Imaging Systems Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Iris Diaphragm,optical Instrumen |
| FSC / FSG | 6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66) |
| Manufacturers | Drs Network & Imaging Systems Llc (CAGE 32865) |
| Parameter | Value |
|---|---|
| NSN | 6650-01-534-3587 |
| Primary Part Number | 400207-009 |
| Item Name | Iris Diaphragm,optical Instrumen |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Drs Network & Imaging Systems Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 400207-009 PRIMARY | Drs Network & Imaging Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 34-50-401-002 | 5/9 Secondary reference Drs Network & Imaging Systems Llc |
| 29-50-169-002/02 | 5/9 Secondary reference Drs Network & Imaging Systems Llc |
| 400187 | 5/9 Secondary reference Drs Network & Imaging Systems Llc |
| 400207 | 5/9 Secondary reference Drs Network & Imaging Systems Llc |
NSN 6650-01-534-3587 is a Iris Diaphragm,optical Instrumen, manufactured by Drs Network & Imaging Systems Llc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-534-3587 has 1 manufacturer part number on file: 400207-009 (Drs Network & Imaging Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 6665-01-680-7280. 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.
NSN 6650-01-534-3587 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.