The Test Set,aircraft Engine, cataloged under National Stock Number 4920-01-456-4876, 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 7 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 | 4920-01-456-4876 |
| Primary Part Number | TT1200 |
| Item Name | Test Set,aircraft Engine |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Barfield Inc |
| Status | ACTIVE |
| Operating Test Capability | SYSTEM LEAD RESISTANCE OR INDIVIDUAL THERMOCOUPLES TO 0.001 OHMS; INSULATION BREAKDOWN TO 200 MEGAOHMS |
| Electrical Power Source Relationship | SELF-CONTAINED |
| Height | 6.500 INCHES NOMINAL IN |
| Depth | 7.000 INCHES NOMINAL IN |
| Enclosure Feature | SINGLE ITEM W/CARRYING CASE |
| Width | 9.300 INCHES NOMINAL IN |
| Test Type for Which Designed | TEMP. AND RESISTANCE MEASURING AND SIMULATING |
| 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 |
|---|---|
| TT1200 PRIMARY | Barfield Inc (USA) |
NSN 4920-01-456-4876 is a Test Set,aircraft Engine, manufactured by Barfield Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-456-4876 has 1 manufacturer part number on file: TT1200 (Barfield Inc).
Key specifications for TT1200: Operating Test Capability: SYSTEM LEAD RESISTANCE OR INDIVIDUAL THERMOCOUPLES TO 0.001 OHMS; INSULATION BREAKDOWN TO 200 MEGAOHMS; Electrical Power Source Relationship: SELF-CONTAINED; Height: 6.500 INCHES NOMINAL IN; Special Features: SIMULATES THERMOCOUPLE OUTPUTS AND SYSTEM LEAD RESISTANCE FROM 2 - 25 OHMS. 7 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.