The Modification Kit,engine, cataloged under National Stock Number 2840-01-577-1206, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-577-1206 |
| Item Name | Modification Kit,engine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| Furnished Items | 9352M42P05 CLAMP LOOP 2 EA, 9352M41P03 BUSHING SPLIT HALF 4 EA, 4072T75G03 BRACKET, J643P05A BOLT 1EA, J644P13A BOLT 1EA, J490P03B NUT, SELF-LOCKING 1EA. |
| Functional Description | THIS KIT PROPOSES IS TO FIX THE EXHAUST FRAME C-SUMP SUPPY TUBE CRACKING PROBLEM ON THE F404-GE-400/ F404-GE-402 TURBOFAN ENGINE. |
| 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 |
|---|---|
| 1948T01G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-577-1206 is a Modification Kit,engine, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-577-1206: Furnished Items: 9352M42P05 CLAMP LOOP 2 EA, 9352M41P03 BUSHING SPLIT HALF 4 EA, 4072T75G03 BRACKET, J643P05A BOLT 1EA, J644P13A BOLT 1EA, J490P03B NUT, SELF-LOCKING 1EA.; Functional Description: THIS KIT PROPOSES IS TO FIX THE EXHAUST FRAME C-SUMP SUPPY TUBE CRACKING PROBLEM ON THE F404-GE-400/ F404-GE-402 TURBOFAN ENGINE.; Part Name Assigned by Controlling Agency: ECP G404-L-23 I-LEVEL RETROFIT KIT EXHAUST FRAME C-SUMP SUPPLY TUBE CRACKING. 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.