The Tester,pitot and Static Systems, cataloged under National Stock Number 4920-01-522-1050, 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 Barfield 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 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 | 4920-01-522-1050 |
| Primary Part Number | DPS-400 |
| Item Name | Tester,pitot and Static Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Barfield Inc |
| Status | ACTIVE |
| Portability | NONPORTABLE |
| Mounting Type | BENCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DPS-400 PRIMARY | Barfield Inc (USA) |
NSN 4920-01-522-1050 is a Tester,pitot and Static Systems, manufactured by Barfield Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-522-1050 has 1 manufacturer part number on file: DPS-400 (Barfield Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-692-6295. Verify interchangeability with system specifications before substitution.
Key specifications for DPS-400: Portability: NONPORTABLE; Special Features: CALCULATES AND DISPLAYS ALTITUDE, VERTICAL SPEED, AIRSPEED, EPR; DIMENSIONS ARE 11.3 IN. HIGH X 24.0 IN. WIDE X 16.0 IN. DEEP IN; Part Name Assigned by Controlling Agency: DPS400 DIGITAL AIR DATA; Mounting Type: BENCH. 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 4920-01-522-1050 has DEMIL Code B. 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.