The Regulator,voltage, cataloged under National Stock Number 6110-01-428-2937, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Regulator,voltage |
| FSC / FSG | 6110 — Electrical Control Equipment (FSG 61) |
| Manufacturers | Honeywell International, Inc Div Aerospace-Tucson (CAGE 64547); The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 6110-01-428-2937 |
| Primary Part Number | 21B239-2-A |
| Item Name | Regulator,voltage |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 21B239-2-A PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| 7-511B11019-9 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-511B11019-5 | 5/9 Secondary reference The Boeing Company |
| 21B239-1-BM | 5/9 Secondary reference U.S. Government activity |
| 21B239-2-A | 5/9 Secondary reference U.S. Government activity |
NSN 6110-01-428-2937 is a Regulator,voltage, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-428-2937 has 2 manufacturer part numbers on file: 21B239-2-A (Honeywell International, Inc Div Aerospace-Tucson), 7-511B11019-9 (The Boeing Company).
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 6110-01-428-2937 has DEMIL Code Q. 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.