The Adapter,oil Pressure, cataloged under National Stock Number 2840-00-784-4683, 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 2 specifications, 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-784-4683 |
| Primary Part Number | 511944 |
| Item Name | Adapter,oil Pressure |
| 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 |
| Criticality Code Justification | MATT AND ABHP AND ABMK AND AGAV |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 511944 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 511944 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 511944 | 5/9 Secondary reference Dell Manufacturing Co., Llc Dba Pursuit Aerospace |
| 404853 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 511944 | 5/9 Secondary reference Lewis Machine, Llc |
| 511944 | 5/9 Secondary reference Empire Manufacturing Corp. Div Empire Mfg. Corporation |
| 511944 | 5/9 Secondary reference Ambel Precision Manufacturing Corporation |
| 511944 | 5/9 Secondary reference Dover Tool of Connecticut, Llc Div Na |
| 511944 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
| 511944 | 5/9 Secondary reference Hanwha Aerospace Usa Llc Div Edac Nd, Inc. |
| 511944 | 5/9 Secondary reference Demusz Mfg. Co., Inc. |
| 511944 | 5/9 Secondary reference Jet Industries, Inc. Dba Jet Industries Inc |
| 511944 | 5/9 Secondary reference Electro-Methods, L.p. |
| 511944 | 5/9 Secondary reference Union Machine Co of Lynn, Inc |
NSN 2840-00-784-4683 is a Adapter,oil Pressure, 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 2840-00-784-4683 has 2 manufacturer part numbers on file: 511944 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 511944 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 511944: Criticality Code Justification: MATT AND ABHP AND ABMK AND AGAV; Overall Length: 11.086 INCHES MINIMUM AND 11.332 INCHES MAXIMUM IN; Overall Width: 5.667 INCHES MINIMUM AND 5.681 INCHES MAXIMUM IN; End Item Identification: ACFT ENG TF33. 2 specifications are 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 2840-00-784-4683 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.