The Spacer,compressor Rotor,aircraft, cataloged under National Stock Number 2840-00-285-4488, 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 Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-00-285-4488 |
| Primary Part Number | 223744CLJ |
| Item Name | Spacer,compressor Rotor,aircraft |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 223744CLJ PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 223744CLJ | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 223744CLJ | 5/9 Secondary reference Precise Aero Products, Inc Dba Precise Aero Products Inc |
| 223744CLJ | 5/9 Secondary reference Ambel Precision Manufacturing Corporation |
| 223744CLJ | 5/9 Secondary reference Hanwha Aerospace Usa Llc |
NSN 2840-00-285-4488 is a Spacer,compressor Rotor,aircraft, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-285-4488 has 2 manufacturer part numbers on file: 223744CLJ (Rtx Corporation Div Pratt & Whitney), 223744CLJ (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 223744CLJ: End Item Identification: J-57 AIRCRAFT ENGINE. 0 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 2840-00-285-4488 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.