The Test Set Subassembly,aircraft Co, cataloged under National Stock Number 4920-01-145-2226, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-145-2226 |
| Primary Part Number | 2888834-4 |
| Item Name | Test Set Subassembly,aircraft Co |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2888834-4 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 3595059-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| 2890205 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 4920-01-145-2226 is a Test Set Subassembly,aircraft Co, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-145-2226 has 1 manufacturer part number on file: 2888834-4 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 2888834-4: Special Features: VALVE ASSEMBLY, ELECTRO PNEUMATIC; C/O VALVE, DUAL ELECTRO-PNEUMATIC 1; CCA, VALVE DRIVER 1, SCREW,MACHINED PAN HEAD 4; WASHER,FLAT 4; WIRE AS REQUIRED; ELBOW PIPE TO TUBE 90 DEG 3; 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.
NSN 4920-01-145-2226 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.