The Bias Board Assembly, cataloged under National Stock Number 5821-00-009-1503, is classified within Federal Supply Class 5821 (Radio and Television Communication Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bias Board Assembly |
| FSC / FSG | 5821 — Radio and Television Communication Equipment, Airborne (FSG 58) |
| Manufacturers | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Autodyne Manufacturing Co Inc (CAGE 05584) |
| Parameter | Value |
|---|---|
| NSN | 5821-00-009-1503 |
| Primary Part Number | 548-1365-004 |
| Item Name | Bias Board Assembly |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 548-1365-004 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| A9752 | Autodyne Manufacturing Co Inc (USA) |
NSN 5821-00-009-1503 is a Bias Board Assembly, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-00-009-1503 has 2 manufacturer part numbers on file: 548-1365-004 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A9752 (Autodyne Manufacturing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5365-00-324-8989. Verify interchangeability with system specifications before substitution.
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 5821-00-009-1503 has DEMIL Code D. 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.