The Test Set,indicator, cataloged under National Stock Number 4920-01-394-4328, 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 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-394-4328 |
| Item Name | Test Set,indicator |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Supplementary Features | COMPANY ITEM NAME-TEST SET, BEARING DISTANCE HEADING INDICATOR |
| Reference Data and Literature | SERD 510555 |
| Functional Description | USED TO FAULT ISOLATE THE BEARING DISTANCE HEADING INDICATOR (BDHI) ANDFUNCTIONALLY TEST SEVERAL OF ITS COMPONETS P/N168472-1 FILTER CCA; P/N-149900-5 SERVO AMP CCA (A3); P/N149903-5 OUTPUT INTERFACE CCA (A4); P/N-157150-3 LCD ASSY.; P/N-168538-1 CPU NR. 2 CAA (A6); P/N-168566-1 INTERCONNECT CAA |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Test Type for Which Designed | OPERATIONAL |
| 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 |
| Reference | Meaning |
|---|---|
| 17G510555-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-394-4328 is a Test Set,indicator, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-394-4328: Supplementary Features: COMPANY ITEM NAME-TEST SET, BEARING DISTANCE HEADING INDICATOR; Reference Data and Literature: SERD 510555; Special Features: APPROX SIZE, 18.000 IN. LG; 15.000 IN. WD.; 12.000 IN. HT; REQUIRES 155 VAC. 60 HZ. POWER VAC; Functional Description: USED TO FAULT ISOLATE THE BEARING DISTANCE HEADING INDICATOR (BDHI) ANDFUNCTIONALLY TEST SEVERAL OF ITS COMPONETS P/N168472-1 FILTER CCA; P/N-149900-5 SERVO AMP CCA (A3); P/N149903-5 OUTPUT INTERFACE CCA (A4); P/N-157150-3 LCD ASSY.; P/N-168538-1 CPU NR. 2 CAA (A6); P/N-168566-1 INTERCONNECT CAA. 5 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 4920-01-394-4328 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.