The Amplifier,audio Frequency, cataloged under National Stock Number 5996-01-666-5227, is classified within Federal Supply Class 5996 (Amplifiers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Radio Design Labs, Inc. Dba R D L. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Amplifier,audio Frequency |
| FSC / FSG | 5996 — Amplifiers (FSG 59) |
| Manufacturers | Radio Design Labs, Inc. Dba R D L (CAGE 1FVC8); Lockheed Martin Corp Div Space (CAGE 3VQD6) |
| Parameter | Value |
|---|---|
| NSN | 5996-01-666-5227 |
| Primary Part Number | RU-ADA8D |
| Item Name | Amplifier,audio Frequency |
| FSC / FSG | 5996 / 59 — Amplifiers |
| Manufacturer | Radio Design Labs, Inc. Dba R D L |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RU-ADA8D PRIMARY | Radio Design Labs, Inc. Dba R D L (USA) |
| 6773077-101 | Lockheed Martin Corp Div Space (USA) |
| Reference | Meaning |
|---|---|
| 6773077-001 | 5/1 Secondary reference Lockheed Martin Corp Div Space |
| 6773077 | D/9 Drawing number reference only Lockheed Martin Corp Div Space |
NSN 5996-01-666-5227 is a Amplifier,audio Frequency, manufactured by Radio Design Labs, Inc. Dba R D L, classified under FSC 5996, Amplifiers. Status: active.
NSN 5996-01-666-5227 has 2 manufacturer part numbers on file: RU-ADA8D (Radio Design Labs, Inc. Dba R D L), 6773077-101 (Lockheed Martin Corp Div Space).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.