The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-209-2028, 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 Unison Industries Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-209-2028 |
| Primary Part Number | 137230 |
| Item Name | Fixture,engine Maintenance,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Reference Data and Literature | SERD NO. 5171 |
| Functional Description | USED TO INSTALL THE NEW REVISED REACTOR ASSEMBLY INTO THE HOUSING AND ALIGN MTG HOLES FOR SUBSEQUENT ATCH OF MTG SCREWS |
| 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 |
|---|---|
| 137230 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 137230 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-209-2028 is a Fixture,engine Maintenance,aircr, manufactured by Unison Industries Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-209-2028 has 1 manufacturer part number on file: 137230 (Unison Industries Llc).
Key specifications for 137230: Reference Data and Literature: SERD NO. 5171; Functional Description: USED TO INSTALL THE NEW REVISED REACTOR ASSEMBLY INTO THE HOUSING AND ALIGN MTG HOLES FOR SUBSEQUENT ATCH OF MTG SCREWS; End Item Identification: F00-PW-100/200 ENGINE. 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.