The Ring,segment,stator, cataloged under National Stock Number 2840-00-256-0722, 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 1 specification, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-256-0722 |
| Primary Part Number | 673957 |
| Item Name | Ring,segment,stator |
| 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 |
| General Characteristics Item Description | NICKEL ALLOY AMS5754,1.330 IN. MIN 1.370 IN. MAX W,21 SLOTS0.545 IN. MIN 0.555 IN. MAX W EQUALLY SPACED OVER ARC 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 |
| Part Number | Manufacturer |
|---|---|
| 673957 | Enjet Aero Bloomfield, Llc (USA) |
| 673957 | Hanwha Aerospace Usa Llc Div Edac Nd, Inc. (USA) |
| 673957 | Demusz Mfg. Co., Inc. (USA) |
| 673957 | Dover Tool of Connecticut, Llc Div Na (USA) |
| 673957 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 673957 | Union Machine Co of Lynn, Inc (USA) |
| 673957 | Electro-Methods, L.p. (USA) |
NSN 2840-00-256-0722 is a Ring,segment,stator, 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 2840-00-256-0722 has 7 manufacturer part numbers on file: 673957 (Enjet Aero Bloomfield, Llc), 673957 (Hanwha Aerospace Usa Llc Div Edac Nd, Inc.), 673957 (Demusz Mfg. Co., Inc.), 673957 (Dover Tool of Connecticut, Llc Div Na), 673957 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.
Key specifications for 673957: General Characteristics Item Description: NICKEL ALLOY AMS5754,1.330 IN. MIN 1.370 IN. MAX W,21 SLOTS0.545 IN. MIN 0.555 IN. MAX W EQUALLY SPACED OVER ARC IN; End Item Identification: TF-30 AIRCRAFT ENGINE. 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 2840-00-256-0722 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.