The Holder,optical Element, cataloged under National Stock Number 6650-01-009-5188, 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 Electro Optical Industries Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-009-5188 |
| Primary Part Number | 100-240-3 |
| Item Name | Holder,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Electro Optical Industries Inc |
| Status | ACTIVE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 100-240-3 PRIMARY | Electro Optical Industries Inc (USA) |
NSN 6650-01-009-5188 is a Holder,optical Element, manufactured by Electro Optical Industries Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-009-5188 has 1 manufacturer part number on file: 100-240-3 (Electro Optical Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6695-01-340-0033, 5310-01-557-0574. Verify interchangeability with system specifications before substitution.
Key specifications for 100-240-3: Special Features: HOLDER,APERTURE; 1.930 IN. L.,0.875 IN. DIA. IN; Surface Treatment: ANODIZE; Material: ALUMINUM ALLOY. 2 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.