The Elbow,augmentor,manifold, cataloged under National Stock Number 2840-01-118-5166, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-118-5166 |
| Primary Part Number | 4042956 |
| Item Name | Elbow,augmentor,manifold |
| 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 AMS 5706,0.500 NOM IN. I/D,0.250 NOM IN. DIA OF 2 HOLES,0.310 NOM IN. DIA OF 2 HOLES,0.221 NOM IN. DIA OF 1 HOLE,0.281 NOM IN. DIA OF 1 HOLE |
| 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 |
|---|---|
| 4042956 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4042956 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-01-118-5166 is a Elbow,augmentor,manifold, 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 2840-01-118-5166 has 1 manufacturer part number on file: 4042956 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4042956: General Characteristics Item Description: NICKEL ALLOY AMS 5706,0.500 NOM IN. I/D,0.250 NOM IN. DIA OF 2 HOLES,0.310 NOM IN. DIA OF 2 HOLES,0.221 NOM IN. DIA OF 1 HOLE,0.281 NOM IN. DIA OF 1 HOLE; End Item Identification: ACFT ENG F100. 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 2840-01-118-5166 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.