The Tester,pitot and Static Systems, cataloged under National Stock Number 4920-01-421-0694, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-421-0694 |
| Primary Part Number | 1811G-633 |
| Item Name | Tester,pitot and Static Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Barfield Inc |
| Status | ACTIVE |
| Portability | PORTABLE |
| Carrying Case | PROVIDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1811G-633 PRIMARY | Barfield Inc (USA) |
NSN 4920-01-421-0694 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 4920-01-421-0694 has 1 manufacturer part number on file: 1811G-633 (Barfield Inc).
Key specifications for 1811G-633: Portability: PORTABLE; Special Features: 11.300 IN. O/A HT;20.000 IN. O/A WD;MAKES POSSIBLE ON BOARD INSTRUMENT CALIBRATION CHECKS,PERFORMS PRECISION PITOT STATIC LEAK TEST,3 INSTRUMENT CONBINATION OPTIONAL RANGES,CALIBRATION CARDS FOR ALL INSTRUMENTS,SELF-CONTAINED IN; Carrying Case: PROVIDED. 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.
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.