The Variable Exhaust No, cataloged under National Stock Number 2840-01-388-0186, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-388-0186 |
| Item Name | Variable Exhaust No |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | VARIABLE EXHAUST NOZZLE ACTUATOR TAB IS FABRICATED FROM B50T1180 AND IS 0.084 INCH THICK. THE TAB IS 0.380 INCH MIN. TO 0.420 INCH MAX. IN HEIGHT AND 0.043 INCH MIN. TO 0.470 INCH MAX. INCH WIDE. TAB HAS A 0.170 INCH MN. TO 0.210 INCH MAX. RADIUS AND A 0.190 INCH MIN. TO 0.220 INCH MAX. INCH RADIUS AT THE OPPOSITE END. TAB HAS 1 0.125 INCH MIN. TO 0.127 INCH MAX. INCH THROUGH HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3904T61P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-388-0186 is a Variable Exhaust No, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-388-0186: General Characteristics Item Description: VARIABLE EXHAUST NOZZLE ACTUATOR TAB IS FABRICATED FROM B50T1180 AND IS 0.084 INCH THICK. THE TAB IS 0.380 INCH MIN. TO 0.420 INCH MAX. IN HEIGHT AND 0.043 INCH MIN. TO 0.470 INCH MAX. INCH WIDE. TAB HAS A 0.170 INCH MN. TO 0.210 INCH MAX. RADIUS AND A 0.190 INCH MIN. TO 0.220 INCH MAX. INCH RADIUS AT THE OPPOSITE END. TAB HAS 1 0.125 INCH MIN. TO 0.127 INCH MAX. INCH THROUGH HOLE IN; Special Features: TAB IS USED ON AIRCRAFT J85-GE-5J. 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 2840-01-388-0186 has DEMIL Code B. 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.