The Test Program Set, cataloged under National Stock Number 4920-01-420-0665, 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 Gamma Scientific Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-420-0665 |
| Primary Part Number | 7433-01A |
| Item Name | Test Program Set |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Gamma Scientific Inc |
| Status | ACTIVE |
| Reference Data and Literature | TO 1C-17A-4-4 A |
| Functional Description | ACT AS A TRANSFER STANDARD FOR COMPARING THE BENCH CALIBRATED VARIABLE LIGHT SOURCE; USED TO FAULT ISOLATE THE COMPUTER AUTOMATED DISPLAY TEST SET AND CALIBRATED VARIABLE LIGHT SOURCE |
| 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 |
|---|---|
| 7433-01A PRIMARY | Gamma Scientific Inc (USA) |
| Reference | Meaning |
|---|---|
| 17G983518-1 | D/9 Drawing number reference only U.S. Government activity |
NSN 4920-01-420-0665 is a Test Program Set, manufactured by Gamma Scientific Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-420-0665 has 1 manufacturer part number on file: 7433-01A (Gamma Scientific Inc).
Key specifications for 7433-01A: Reference Data and Literature: TO 1C-17A-4-4 A; Special Features: C/O 4920-01-350-9074, 6150-01-209-0834 AND PART NUMBER 7433-03; Functional Description: ACT AS A TRANSFER STANDARD FOR COMPARING THE BENCH CALIBRATED VARIABLE LIGHT SOURCE; USED TO FAULT ISOLATE THE COMPUTER AUTOMATED DISPLAY TEST SET AND CALIBRATED VARIABLE LIGHT SOURCE; Part Name Assigned by Controlling Agency: LIGHT SOURCE, CALIBRATION. 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 4920-01-420-0665 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.