The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-028-4229, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-028-4229 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Reference Data and Literature | TO 8A1-8-47-3 |
| Functional Description | USED IN CONJUNCTION WITH SPECIAL WRENCH AT2335 TO ADJUST NUT ON CLUTCH ASSEMBLY. ALSO USED WITH TORQUE WRENCH F1800-1 AND CLUTCH ADAPTER AT2364 TO CHECK SLIP TORQUE OF CLUTCH ASSEMBLY. ALSO USED TO SUPPORT CLUTCH COMPONENTS DURING ASSEMBLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AT2149 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-028-4229 is a Fixture,aircraft Maintenance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-028-4229: Reference Data and Literature: TO 8A1-8-47-3; Special Features: TO NAME: HOLDING FIXTURE; Functional Description: USED IN CONJUNCTION WITH SPECIAL WRENCH AT2335 TO ADJUST NUT ON CLUTCH ASSEMBLY. ALSO USED WITH TORQUE WRENCH F1800-1 AND CLUTCH ADAPTER AT2364 TO CHECK SLIP TORQUE OF CLUTCH ASSEMBLY. ALSO USED TO SUPPORT CLUTCH COMPONENTS DURING ASSEMBLY; End Item Identification: ELECTROMECHANICAL ROTARY ACTUATOR MODEL R 1604M8. 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.