The Test Set,pressure Source, cataloged under National Stock Number 4920-01-072-7775, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-072-7775 |
| Item Name | Test Set,pressure Source |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF A PRESSURE CYLINDER,A PRESSURE GAGE,A PRESSURE INDICATOR,A PRESSURE ADJUSTMENT CONTROL,AND A BLEED AIR VALVE,19.000 IN. L,17.000 IN. W,11.500 IN. H IN |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| H375 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-072-7775 is a Test Set,pressure Source, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1670-01-431-0731. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-072-7775: General Characteristics Item Description: CONSISTS OF A PRESSURE CYLINDER,A PRESSURE GAGE,A PRESSURE INDICATOR,A PRESSURE ADJUSTMENT CONTROL,AND A BLEED AIR VALVE,19.000 IN. L,17.000 IN. W,11.500 IN. H IN; Criticality Code Justification: AGAV; End Item Identification: HELICOPTER MODEL UH-1L.. 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 4920-01-072-7775 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.