The Block,aft Wear, cataloged under National Stock Number 2840-01-300-4533, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-300-4533 |
| Item Name | Block,aft Wear |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | COBALT,COMP L-65,PER AMS 5537; 0.750 IN. MIN,0.760 IN. MAX LG,0.200 IN. MIN,0.240 IN. MAX W,0.140 IN. MIN,0.150 IN. MAX H; 0.040 IN. MIN,0.060 IN. MAX 45 DEGREE CHAMFER 2 PLACES 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 |
|---|---|
| 3904T44P01 | 3/2 Design control — primary reference U.S. Government activity |
| 10158732 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 2840-01-300-4533 is a Block,aft Wear, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-300-4533: General Characteristics Item Description: COBALT,COMP L-65,PER AMS 5537; 0.750 IN. MIN,0.760 IN. MAX LG,0.200 IN. MIN,0.240 IN. MAX W,0.140 IN. MIN,0.150 IN. MAX H; 0.040 IN. MIN,0.060 IN. MAX 45 DEGREE CHAMFER 2 PLACES IN; End Item Identification: ENGINE MODEL F-404-GE-400. 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 2840-01-300-4533 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.