The Tester,pitot and Static Systems, cataloged under National Stock Number 4920-01-419-1089, 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 Nav Usa Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-419-1089 |
| Primary Part Number | AD1B-612 |
| Item Name | Tester,pitot and Static Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Nav Usa Inc |
| Status | ACTIVE |
| Functional Description | USED TO TEST THE COMPLETE PITOT STATIC AND ALPHA AIR DATA SYSTEM; PROVIDES PRE-TESTING OF ADAPTORS AND HOSES PRIOR TO BEING FITTED ON THE AIRCRAFT |
| 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 |
|---|---|
| AD1B-612 PRIMARY | Nav Usa Inc (USA) |
NSN 4920-01-419-1089 is a Tester,pitot and Static Systems, manufactured by Nav Usa Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-419-1089 has 1 manufacturer part number on file: AD1B-612 (Nav Usa Inc).
Key specifications for AD1B-612: Special Features: CONSISTS OF (6) ADAPTOR P/N PSA99186-4-6-4; (2) PRE-TEST PROBES P/N PT19918; (2) SEAL KITS P/N SKB186; (1) LUBRICATING FLUD P/N LF5050; (1) MANUAL P/N B1B-523; (1) CASE ASSEMBLY P/N 421-B1B; Functional Description: USED TO TEST THE COMPLETE PITOT STATIC AND ALPHA AIR DATA SYSTEM; PROVIDES PRE-TESTING OF ADAPTORS AND HOSES PRIOR TO BEING FITTED ON THE AIRCRAFT; End Item Identification: B1B ACFT. 1 specification is 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 4920-01-419-1089 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.