The Retainer,nozzle Segment,turbine, cataloged under National Stock Number 2840-00-508-9161, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-508-9161 |
| Primary Part Number | 4038769 |
| Item Name | Retainer,nozzle Segment,turbine |
| 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,AMS5599,1.650 IN. LG,1.250 IN. W,IRREGULAR SHAPE 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 |
|---|---|
| 4038769 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4038769 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4038769 | 5/9 Secondary reference Paradigm Manchester Inc. Dba Pursuit Aerospace |
| 2840PL0664257 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4038769 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-00-508-9161 is a Retainer,nozzle Segment,turbine, 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 2840-00-508-9161 has 2 manufacturer part numbers on file: 4038769 (Rtx Corporation Div Pratt & Whitney), 4038769 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-183-9837. Verify interchangeability with system specifications before substitution.
Key specifications for 4038769: General Characteristics Item Description: NICKEL ALLOY,AMS5599,1.650 IN. LG,1.250 IN. W,IRREGULAR SHAPE IN; End Item Identification: F-100 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 2840-00-508-9161 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.