The Heater Blanket, cataloged under National Stock Number 5821-01-159-9031, 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 Honeywell International Inc. Dba Honeywell Div Sensing and Control. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heater Blanket |
| FSC / FSG | 5821 — Radio and Television Communication Equipment, Airborne (FSG 58) |
| Manufacturers | Honeywell International Inc. Dba Honeywell Div Sensing and Control (CAGE 14604) |
| Parameter | Value |
|---|---|
| NSN | 5821-01-159-9031 |
| Primary Part Number | 20-3788-1 |
| Item Name | Heater Blanket |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Honeywell International Inc. Dba Honeywell Div Sensing and Control |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 20-3788-1 PRIMARY | Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA) |
| Reference | Meaning |
|---|---|
| 303614 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 5821-01-159-9031 is a Heater Blanket, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-01-159-9031 has 1 manufacturer part number on file: 20-3788-1 (Honeywell International Inc. Dba Honeywell Div Sensing and Control).
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 5821-01-159-9031 has DEMIL Code B. 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.