The Housing,prism, cataloged under National Stock Number 5855-00-903-4061, 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 Oeco, Llc Dba Pacific Scientific Oeco. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Housing,prism |
| FSC / FSG | 5855 — Night Vision Equipment, Emitted and Reflected Radiation (FSG 58) |
| Manufacturers | Oeco, Llc Dba Pacific Scientific Oeco (CAGE 02101) |
| Parameter | Value |
|---|---|
| NSN | 5855-00-903-4061 |
| Primary Part Number | 66111 |
| Item Name | Housing,prism |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Oeco, Llc Dba Pacific Scientific Oeco |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 66111 | Oeco, Llc Dba Pacific Scientific Oeco (USA) |
| Reference | Meaning |
|---|---|
| 66111 | 5/9 Secondary reference L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division |
| 13214E6519 | 3/2 Design control — primary reference U.S. Government activity |
| 66111 | 5/9 Secondary reference Varo Mfg Co |
NSN 5855-00-903-4061 is a Housing,prism, manufactured by Oeco, Llc Dba Pacific Scientific Oeco, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-00-903-4061 has 1 manufacturer part number on file: 66111 (Oeco, Llc Dba Pacific Scientific Oeco).
3 possible matches (shared part number, not a government interchangeability claim): 2925-01-406-6756, 5210-01-471-4991, 9150-01-552-4315. 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 5855-00-903-4061 has DEMIL Code B. 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.