The Window Assembly,obs, cataloged under National Stock Number 5840-01-038-2181, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-038-2181 |
| Primary Part Number | SM-D-867399 |
| Item Name | Window Assembly,obs |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| General Characteristics Item Description | OVERALL DIMENSIONS: 8.250 IN LG BY 3.687 IN W BY 0.580 IN HIGH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-D-867399 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| SM-D-867399 | 5/2 Secondary reference U.S. Government activity |
NSN 5840-01-038-2181 is a Window Assembly,obs, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-038-2181 has 1 manufacturer part number on file: SM-D-867399 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for SM-D-867399: General Characteristics Item Description: OVERALL DIMENSIONS: 8.250 IN LG BY 3.687 IN W BY 0.580 IN HIGH IN. 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 5840-01-038-2181 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.