The Test Set Subassembly,aircraft Co, cataloged under National Stock Number 4920-01-187-3252, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-187-3252 |
| Primary Part Number | AD38223-4 |
| Item Name | Test Set Subassembly,aircraft Co |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Major Components | PANEL 1; STRAP 2; COVER 1; CIRCUIT CARD ASSEMBLY 1; CONNECTOR 1; SYNCHRO/RESOLVER 2; TRANSFORMER 36; RELAY 6; SOCKET 6; STANDOFF 4; AND ASSORTED HARDWARE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AD38223-4 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| AD38223-3 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| AD38223-2 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| AD38223-1 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4920-01-187-3252 is a Test Set Subassembly,aircraft Co, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-187-3252 has 2 manufacturer part numbers on file: AD38223-4 (Hamilton Sundstrand Corporation Dba Collins Aerospace), AD38223-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for AD38223-4: Major Components: PANEL 1; STRAP 2; COVER 1; CIRCUIT CARD ASSEMBLY 1; CONNECTOR 1; SYNCHRO/RESOLVER 2; TRANSFORMER 36; RELAY 6; SOCKET 6; STANDOFF 4; AND ASSORTED HARDWARE; End Item Identification: 4920011362857. 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.
NSN 4920-01-187-3252 has DEMIL Code C. 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.