The Stiffener,seal,gas Turbine Engin, cataloged under National Stock Number 2840-00-439-2349, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-439-2349 |
| Primary Part Number | 717408 |
| Item Name | Stiffener,seal,gas Turbine Engin |
| 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 | CRES,AMS 5504,0.045-0.055 IN. THK,1.620 IN. W 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 |
|---|---|
| 717408 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-00-439-2349 is a Stiffener,seal,gas Turbine Engin, 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 2840-00-439-2349 has 1 manufacturer part number on file: 717408 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 717408: General Characteristics Item Description: CRES,AMS 5504,0.045-0.055 IN. THK,1.620 IN. W IN; Special Features: T.O. 2J-J57-4; GOES ON THE REAR COMPRESSOR CASE,INTERMEDIATE SUPPORT; 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 2840-00-439-2349 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.