The Lock,afterburner Nozzle Cylinder, cataloged under National Stock Number 2840-00-065-7919, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-065-7919 |
| Primary Part Number | 490419 |
| Item Name | Lock,afterburner Nozzle Cylinder |
| 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 | MATL STAINLESS STEEL AMS 5645,1.150 IN. MIN 1.170 IN. MAX LONG,0.623 IN. MIN 0.627 IN. MAX ID,0.810 IN. MIN 0.830 IN. MAX OD,3 SLOTS ON THE BASIS ON THE BASIS OF 4 SLOTS 0.176 IN. MIN 0.180 IN. MAX DIA,0.135 IN. MIN-0.155 IN. MAX DIA THRU CHAM 85-95 DEGREES INCL TO 0.170 IN. MIN-0.190 IN. MAX DIA 6HOLES EQUALLY SPACED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 490419 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 490419 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 490419 | 5/9 Secondary reference Royal Oak Gage, Inc |
NSN 2840-00-065-7919 is a Lock,afterburner Nozzle Cylinder, 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 2840-00-065-7919 has 1 manufacturer part number on file: 490419 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-331-2616. Verify interchangeability with system specifications before substitution.
Key specifications for 490419: General Characteristics Item Description: MATL STAINLESS STEEL AMS 5645,1.150 IN. MIN 1.170 IN. MAX LONG,0.623 IN. MIN 0.627 IN. MAX ID,0.810 IN. MIN 0.830 IN. MAX OD,3 SLOTS ON THE BASIS ON THE BASIS OF 4 SLOTS 0.176 IN. MIN 0.180 IN. MAX DIA,0.135 IN. MIN-0.155 IN. MAX DIA THRU CHAM 85-95 DEGREES INCL TO 0.170 IN. MIN-0.190 IN. MAX DIA 6HOLES EQUALLY SPACED IN; End Item Identification: ACFT ENG J-75. 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 2840-00-065-7919 has DEMIL Code B. 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.