The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 5855-01-654-4036, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-654-4036 |
| Primary Part Number | EN3-2009-A1 |
| Item Name | Eyepiece Assembly,optical Instru |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| EN3-2009-A1 PRIMARY | L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions (USA) |
NSN 5855-01-654-4036 is a Eyepiece Assembly,optical Instru, manufactured by L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-654-4036 has 1 manufacturer part number on file: EN3-2009-A1 (L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions).
Key specifications for EN3-2009-A1: Criticality Code Justification: FEAT; Special Features: FIT RESTRICTION; Part Name Assigned by Controlling Agency: EYEPIECE ASSEMBLY,SPARE; End Item Identification: AN/PSQ-39. 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 5855-01-654-4036 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.