The Test Set Subassembly,aircraft Co, cataloged under National Stock Number 4920-01-143-8526, 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 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-143-8526 |
| Primary Part Number | 359059-3 |
| Item Name | Test Set Subassembly,aircraft Co |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 2888834-5 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 359059-3 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 3595059 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| 2890207 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 4920-01-143-8526 is a Test Set Subassembly,aircraft Co, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-143-8526 has 2 manufacturer part numbers on file: 2888834-5 (Lockheed Martin Corporation Div Rms - Mitchel Field), 359059-3 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for 359059-3: Special Features: VALVE ASSEMBLY, ELECTRO PNEUMATIC; C/O VALVE-DUAL, ELECTRO-PNEUMATIC 1; SCREW, MACHINED, PAN HEAD 4; WASHER, FLAT 4; CCA VALVE DRIVER 1; WIRE AS REQUIRED; TEE-FLARED TUBE 2; THREAD SEALANT AS REQUIRED; End Item Identification: INTERMEDIATE AUTOMATIC TEST SET A10. 0 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.
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.