The Spacer,optical Element, cataloged under National Stock Number 6650-01-459-6692, 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 Unertl John Optical Co Inc. Government technical data includes 1 specification, 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. 3 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 | 6650-01-459-6692 |
| Primary Part Number | E106 |
| Item Name | Spacer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Unertl John Optical Co Inc |
| Status | ACTIVE |
| Style Designator | SPACER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E106 PRIMARY | Unertl John Optical Co Inc (USA) |
NSN 6650-01-459-6692 is a Spacer,optical Element, manufactured by Unertl John Optical Co Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-459-6692 has 1 manufacturer part number on file: E106 (Unertl John Optical Co Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5920-01-538-3108, 5930-01-557-1615, 6320-01-563-8516. Verify interchangeability with system specifications before substitution.
Key specifications for E106: Style Designator: SPACER; Overall Length: 0.390 INCHES NOMINAL IN; End Item Identification: SNIPER SCOPE, MODEL C3. 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.
NSN 6650-01-459-6692 has DEMIL Code Q. 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.