The Control,intercommunication Set, cataloged under National Stock Number 5831-00-523-5328, is classified within Federal Supply Class 5831 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Andrea Systems Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5831-00-523-5328 |
| Primary Part Number | A81-91 |
| Item Name | Control,intercommunication Set |
| FSC / FSG | 5831 / 58 — No Item Name Available |
| Manufacturer | Andrea Systems Llc |
| Status | ACTIVE |
| Power Source | EXTERNAL |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C3942(P)/AIC18 | Andrea Systems Llc (USA) |
| A81-91 | Andrea Electronics Corporation (USA) |
| A81-91 PRIMARY | Andrea Systems Llc (USA) |
NSN 5831-00-523-5328 is a Control,intercommunication Set, manufactured by Andrea Systems Llc, classified under FSC 5831 (No Item Name Available). Status: active.
NSN 5831-00-523-5328 has 3 cross-referenced part numbers: C3942(P)/AIC18 (Andrea Systems Llc), A81-91 (Andrea Electronics Corporation), A81-91 (Andrea Systems Llc).
There are 3 known substitutes for 5831-00-523-5328: 5895-00-019-2705, 5905-00-141-0597, 5360-00-314-7093. Verify interchangeability with system specifications before substitution.
Key specifications for A81-91: Power Source: EXTERNAL; End Item Identification: INTERCOMMUNICATION STATION TYPE AN/AIC 18; Special Features: ESD SENSITIVE; Criticality Code Justification: FEAT. 4 total characteristics are documented in the Federal Logistics Information System.