The Retainer,compressor Blade,aircra, cataloged under National Stock Number 2840-01-364-7166, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-364-7166 |
| Primary Part Number | 4089489 |
| Item Name | Retainer,compressor Blade,aircra |
| 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 |
| Stage Number | 1 |
| Criticality Code Justification | AGAV |
| Reference Data and Literature | T.O. 2J-F100-54, FIG 99, IND 28 |
| 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 |
|---|---|
| 4089489 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4089489 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4079621 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 2840PL0788955 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4079621 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-01-364-7166 is a Retainer,compressor Blade,aircra, 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 2840-01-364-7166 has 2 manufacturer part numbers on file: 4089489 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4089489 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4089489: Stage Number: 1; Criticality Code Justification: AGAV; Reference Data and Literature: T.O. 2J-F100-54, FIG 99, IND 28; Special Features: USE ON P/N 4068717-701, 2840-01-308-3712). 3 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 2840-01-364-7166 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.