The Test Set,environmental Control S, cataloged under National Stock Number 4920-01-155-2067, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Maney Aircraft, Inc. Dba Maney Aircraft. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4920-01-155-2067 |
| Primary Part Number | 41A54000-001 |
| Item Name | Test Set,environmental Control S |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Maney Aircraft, Inc. Dba Maney Aircraft |
| Status | ACTIVE |
| Reference Data and Literature | TO 35-1-271-2 |
| 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 |
|---|---|
| 41A54000-001 | The Boeing Company Div Legacy Am&m (USA) |
| 41A54000-001 PRIMARY | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-393 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4920-01-155-2067 is a Test Set,environmental Control S, manufactured by Maney Aircraft, Inc. Dba Maney Aircraft, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-155-2067 has 2 manufacturer part numbers on file: 41A54000-001 (The Boeing Company Div Legacy Am&m), 41A54000-001 (Maney Aircraft, Inc. Dba Maney Aircraft).
Key specifications for 41A54000-001: Reference Data and Literature: TO 35-1-271-2; Special Features: C/O CONTROL PANEL; SWITCHES, FUSES, INDICATOR LAMP, CONNECTORS AND THREE CABLES; Part Name Assigned by Controlling Agency: TEST SET ASSEMBLY-AIR START ISOLATION CONTROL BOX; End Item Identification: B-1B ACFT AGE. 1 specification is documented in the U.S. Government catalog.
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.