The Sleeve,sealing,fan Duct, cataloged under National Stock Number 2840-00-340-8285, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-00-340-8285 |
| Primary Part Number | 4035387 |
| Item Name | Sleeve,sealing,fan Duct |
| 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 | COBALT ALLOY AMS5759,0.515 IN. MIN,0.535 IN.MAX O/A LG,3 MTG HOLES 0.216 IN. MIN 0.226 IN. MAX ON A 1.770 IN. BOLTCIRCLE DIA 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4035387 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4035385 | Airtronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4035387 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 2840PL0664235 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-00-340-8285 is a Sleeve,sealing,fan Duct, 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 2840-00-340-8285 has 2 manufacturer part numbers on file: 4035387 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4035385 (Airtronics, Llc).
Key specifications for 4035387: General Characteristics Item Description: COBALT ALLOY AMS5759,0.515 IN. MIN,0.535 IN.MAX O/A LG,3 MTG HOLES 0.216 IN. MIN 0.226 IN. MAX ON A 1.770 IN. BOLTCIRCLE DIA IN; End Item Identification: ENGINE,AIRCRAFT,MODEL F100PW100. 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 2840-00-340-8285 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.