The Band Segment,liner, cataloged under National Stock Number 2840-00-657-7983, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-657-7983 |
| Primary Part Number | 366222 |
| Item Name | Band Segment,liner |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT JET ENGINE |
| General Characteristics Item Description | NICKEL ALLOY,PWA673,FSCM 77445 DIV,1.110 IN. MIN 1.130 IN. MAXTHK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 366222 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-00-657-7983 is a Band Segment,liner, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-657-7983 has 1 manufacturer part number on file: 366222 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 366222: FSC Application Data: AIRCRAFT JET ENGINE; General Characteristics Item Description: NICKEL ALLOY,PWA673,FSCM 77445 DIV,1.110 IN. MIN 1.130 IN. MAXTHK IN; End Item Identification: MODEL J57 ENGINE. 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.