The Interface Unit,environmental Sen, cataloged under National Stock Number 5840-01-677-8377, 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 Avtech Software Inc. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Interface Unit,environmental Sen |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Manufacturers | Avtech Software Inc (CAGE 3JPS0); Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088); Frontier Electronic Systems Corp (CAGE 63812); Naval Sea Systems Command (CAGE 53711); Laurel Technologies Partnership Dba Drs Laurel Technologies (CAGE 0ERB9) |
| Parameter | Value |
|---|---|
| NSN | 5840-01-677-8377 |
| Primary Part Number | RA32S-DAP-RAS |
| Item Name | Interface Unit,environmental Sen |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Avtech Software Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| RA32S-DAP-RAS | Avtech Software Inc (USA) |
| 8479878 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| 8479878 | Frontier Electronic Systems Corp (USA) |
| 8479878 | Naval Sea Systems Command (USA) |
| 8479878 | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
| Reference | Meaning |
|---|---|
| RA32E-TH1-RAS | 3/9 Design control — primary reference Avtech Software Inc |
NSN 5840-01-677-8377 is a Interface Unit,environmental Sen, manufactured by Avtech Software Inc, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-677-8377 has 5 manufacturer part numbers on file: RA32S-DAP-RAS (Avtech Software Inc), 8479878 (Lockheed Martin Corporation Div Rms - Manassas), 8479878 (Frontier Electronic Systems Corp), 8479878 (Naval Sea Systems Command), 8479878 (Laurel Technologies Partnership Dba Drs Laurel Technologies).
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 5840-01-677-8377 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.