The Amplifier,audio Frequency, cataloged under National Stock Number 5996-00-777-0173, 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 Electronics Corporation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5996-00-777-0173 |
| Primary Part Number | A81-43 |
| Item Name | Amplifier,audio Frequency |
| FSC / FSG | 5996 / 59 — Amplifier,radio Frequency |
| Manufacturer | Andrea Electronics Corporation |
| Status | CANCELLED |
| Frequency Per Channel | 300.0 HERTZ MINIMUM OPERATING CHANNEL AND 6.0 KILOHERTZ MAXIMUM OPERATING CHANNEL |
| External DC Operating Voltage in Volts | 17.0 MINIMUM SINGLE VOLTAGE AND 29.0 MAXIMUM SINGLE VOLTAGE |
| Variation Frequency Rating in Decibels | 6.0 |
| Average Power Rating Per Channel | 26.0 MILLIWATTS OUTPUT |
| Impedance Rating Per Channel | 15.000 OHMS INPUT CHANNEL AND 50.000 OHMS OUTPUT CHANNEL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A81-43 | Andrea Electronics Corporation (USA) |
| A81-77 | Andrea Systems Llc (USA) |
| M1645-1-04 | Melcor Electronics Corp (USA) |
| AM-1964F/AIC | Joint Electronics Type Designation System (USA) |
| A81-43 | Andrea Systems Llc (USA) |
| A81-77 | Andrea Electronics Corporation (USA) |
NSN 5996-00-777-0173 is a Amplifier,audio Frequency, manufactured by Andrea Electronics Corporation, classified under FSC 5996 (Amplifier,radio Frequency). Status: cancelled.
NSN 5996-00-777-0173 has 6 cross-referenced part numbers: A81-43 (Andrea Electronics Corporation), A81-77 (Andrea Systems Llc), M1645-1-04 (Melcor Electronics Corp), AM-1964F/AIC (Joint Electronics Type Designation System), A81-43 (Andrea Systems Llc) and 1 more.
There are 3 known substitutes for 5996-00-777-0173: 5905-00-104-8349, 5950-00-813-2523, 3120-00-983-5592. Verify interchangeability with system specifications before substitution.
Key specifications for A81-43: Overall Length: 3.500 INCHES NOMINAL IN; Frequency Per Channel: 300.0 HERTZ MINIMUM OPERATING CHANNEL AND 6.0 KILOHERTZ MAXIMUM OPERATING CHANNEL; External DC Operating Voltage in Volts: 17.0 MINIMUM SINGLE VOLTAGE AND 29.0 MAXIMUM SINGLE VOLTAGE; Variation Frequency Rating in Decibels: 6.0. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 5996-00-777-0173 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.