The Test Set,environmental Control S, cataloged under National Stock Number 4920-01-371-0553, 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 The Boeing Company Div Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-371-0553 |
| Primary Part Number | 74D410141-1003 |
| Item Name | Test Set,environmental Control S |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Enclosure Feature | MULTIPLE ITEM W/CARRYING CASE |
| Test Type for Which Designed | PRESSURE INDICATOR AIR CONDIT- IONING SYSTEM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 74D410141-1003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74D410141-1003 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74D410141-1003 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
NSN 4920-01-371-0553 is a Test Set,environmental Control S, manufactured by The Boeing Company Div Defense, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-371-0553 has 3 manufacturer part numbers on file: 74D410141-1003 (The Boeing Company Div Defense), 74D410141-1003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74D410141-1003 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).
Key specifications for 74D410141-1003: Special Features: CASE 26.000 IN. LG; 18.000 IN. W 14.000 IN. DEEP; MATERIAL ALUMINUM CASE AND MOUNTING PLATE IN; Enclosure Feature: MULTIPLE ITEM W/CARRYING CASE; End Item Identification: AIRCRAFT AIRCRAFT MODEL F/A-18; Test Type for Which Designed: PRESSURE INDICATOR AIR CONDIT- IONING SYSTEM. 2 specifications are 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.
NSN 4920-01-371-0553 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.