The Amplifier,audio Frequency, cataloged under National Stock Number 5996-01-139-2843, is classified within Federal Supply Class 5996 (Amplifier,radio Frequency) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Andrea Systems Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5996-01-139-2843 |
| Primary Part Number | A81-105 |
| Item Name | Amplifier,audio Frequency |
| FSC / FSG | 5996 / 59 — Amplifier,radio Frequency |
| Manufacturer | Andrea Systems Llc |
| Status | CANCELLED |
| Indicator Device Type and Quantity | 1 HEADSET |
| Criticality Code Justification | FEAT |
| Basic Shape Style | IRREGULAR |
| Circuit Construction Type | SOLID STATE |
| External DC Operating Voltage in Volts | 27.5 NOMINAL SINGLE VOLTAGE |
| FSC Application Data | INTERCOMMUNICATION STATION C-6624/AIC-25 |
| Inclosure Type | OPEN |
| Installation Design | MODULE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A81-105 PRIMARY | Andrea Systems Llc (USA) |
| A81-78 | Andrea Systems Llc (USA) |
| M1393 | Andrea Electronics Corporation (USA) |
| 124-0029-875 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| A81-24 | Andrea Electronics Corporation (USA) |
| A81-78 | Andrea Electronics Corporation (USA) |
| M1393 | Andrea Systems Llc (USA) |
| A81-105 | Andrea Electronics Corporation (USA) |
NSN 5996-01-139-2843 is a Amplifier,audio Frequency, manufactured by Andrea Systems Llc, classified under FSC 5996 (Amplifier,radio Frequency). Status: cancelled.
NSN 5996-01-139-2843 has 8 cross-referenced part numbers: A81-105 (Andrea Systems Llc), A81-78 (Andrea Systems Llc), M1393 (Andrea Electronics Corporation), 124-0029-875 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A81-24 (Andrea Electronics Corporation) and 3 more.
There are 4 known substitutes for 5996-01-139-2843: 5905-00-106-1273, 5905-00-111-4743, 4140-00-604-4826 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A81-105: Indicator Device Type and Quantity: 1 HEADSET; Criticality Code Justification: FEAT; Basic Shape Style: IRREGULAR; Special Features: ELECTROSTATIC DISCHARGE SENSITIVE. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5996-01-139-2843 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.