The Test Set,aircraft Engine, cataloged under National Stock Number 4920-01-279-0652, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-01-279-0652 |
| Primary Part Number | TT1000A |
| 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 | RANGE 0 TO 1000 DEG CELCIUS CERTIFIED- 60 TO 1160 DEG CELCIUS EXTENDED |
| Electrical Power Source Relationship | OPERATING |
| Height | 5.000 INCHES NOMINAL IN |
| Depth | 5.500 INCHES NOMINAL IN |
| Enclosure Feature | SINGLE ITEM W/CARRYING CASE |
| Width | 8.000 INCHES NOMINAL IN |
| Test Type for Which Designed | TEMPERATURE |
| 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 |
|---|---|
| TT1000A PRIMARY | Barfield Inc (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0244751 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-279-0652 is a Test Set,aircraft Engine, manufactured by Barfield Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-279-0652 has 1 manufacturer part number on file: TT1000A (Barfield Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-546-8771. Verify interchangeability with system specifications before substitution.
Key specifications for TT1000A: Operating Test Capability: RANGE 0 TO 1000 DEG CELCIUS CERTIFIED- 60 TO 1160 DEG CELCIUS EXTENDED; Electrical Power Source Relationship: OPERATING; Height: 5.000 INCHES NOMINAL IN; Depth: 5.500 INCHES NOMINAL IN. 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.