The Shield Assembly,starter Gearbox, cataloged under National Stock Number 2840-00-022-9880, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-00-022-9880 |
| Item Name | Shield Assembly,starter Gearbox |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | SHIELD,STEEL,AMS5042,ROCKWELL 15T SCALE 71.0 MIN,81.5 MAX HARDNESS,PLATES,STEEL,AMS5042,ROCKWELL 30T SCALE,46.0 MIN,59.5 MAX HARDNESS,BLACK OXIDE FINISH,AMS2485 O/A,2.567 IN. MIN,2.577 IN. MAX LG,3 THDHOLES,0.190 IN.-32 UNF SERIES CLASS 3B THD,HOLES COUNTERSUNK 90 DEG TO0.220 IN. NOM DIA IN |
| 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 |
|---|---|
| 2-160-560-03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-00-022-9880 is a Shield Assembly,starter Gearbox, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-00-022-9880: General Characteristics Item Description: SHIELD,STEEL,AMS5042,ROCKWELL 15T SCALE 71.0 MIN,81.5 MAX HARDNESS,PLATES,STEEL,AMS5042,ROCKWELL 30T SCALE,46.0 MIN,59.5 MAX HARDNESS,BLACK OXIDE FINISH,AMS2485 O/A,2.567 IN. MIN,2.577 IN. MAX LG,3 THDHOLES,0.190 IN.-32 UNF SERIES CLASS 3B THD,HOLES COUNTERSUNK 90 DEG TO0.220 IN. NOM DIA IN; End Item Identification: T-55ENGINE. 1 specification is 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 2840-00-022-9880 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.