The Block,rub,standoff, cataloged under National Stock Number 2840-01-144-4147, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Dupont Specialty Products Usa, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-144-4147 |
| Primary Part Number | 4055T49P06 |
| Item Name | Block,rub,standoff |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Dupont Specialty Products Usa, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 0.540 IN. MIN,0.560 IN. MAX W,0.345 IN. MIN,0.355 IN. MAX H 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 |
| Part Number | Manufacturer |
|---|---|
| 4055T49P06 | Dupont Specialty Products Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10158645 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4055T49P06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-144-4147 is a Block,rub,standoff, manufactured by Dupont Specialty Products Usa, Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-144-4147 has 1 manufacturer part number on file: 4055T49P06 (Dupont Specialty Products Usa, Llc).
Key specifications for 4055T49P06: General Characteristics Item Description: 0.540 IN. MIN,0.560 IN. MAX W,0.345 IN. MIN,0.355 IN. MAX H IN; End Item Identification: JET ENGINE MODEL F404. 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 2840-01-144-4147 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.