The Support,augmentor Component,airc, cataloged under National Stock Number 2840-00-340-7298, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-340-7298 |
| Primary Part Number | 4011121 |
| Item Name | Support,augmentor Component,airc |
| 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 | AGAV |
| Material | TITANIUM ALLOY |
| 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 |
|---|---|
| 4011121 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4011121 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4011121 | Rmc Engineering and Manufacturing Llc Dba Rmc Engineering & Manufacturing Llc (USA) |
| 4011121 | Eti Tech Llc (USA) |
| Reference | Meaning |
|---|---|
| 4011121 | 5/9 Secondary reference Khs Corp |
| 4011121 | 5/9 Secondary reference Electro-Methods, L.p. |
| KDS 2840-1150 | 5/1 Secondary reference Defense Acquisition Program Administration, R.o.k |
| 401121 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 2840PL0664231 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4011121R | D/9 Drawing number reference only Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 2840PL2030810 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-00-340-7298 is a Support,augmentor Component,airc, 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 2840-00-340-7298 has 4 manufacturer part numbers on file: 4011121 (Rtx Corporation Div Pratt & Whitney), 4011121 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4011121 (Rmc Engineering and Manufacturing Llc Dba Rmc Engineering & Manufacturing Llc), 4011121 (Eti Tech Llc).
2 possible matches (shared part number, not a government interchangeability claim): 1660-00-510-2494, 3040-01-198-8727. Verify interchangeability with system specifications before substitution.
Key specifications for 4011121: Criticality Code Justification: AGAV; Overall Length: 9.440 INCHES NOMINAL IN; End Item Identification: ACFT ENGINE MODEL J57; Material: TITANIUM ALLOY. 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 2840-00-340-7298 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.