The Plate,seal Compress, cataloged under National Stock Number 2840-00-325-1428, 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. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Plate,seal Compress |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Apex Machine Tool Company, Inc. (CAGE 63807); Hart Acquisition Company, Llc Dba Hart Precision Machining, Llc Div Hart Precision Machining (CAGE 13077); Wgi Inc. Dba Wgi Inc (CAGE 23837); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); O-a, Inc. (CAGE 33513) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-325-1428 |
| Primary Part Number | 618684 |
| Item Name | Plate,seal Compress |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 618684 | Apex Machine Tool Company, Inc. (USA) |
| 618684 | Hart Acquisition Company, Llc Dba Hart Precision Machining, Llc Div Hart Precision Machining (USA) |
| 618684 | Wgi Inc. Dba Wgi Inc (USA) |
| 618684 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 618684 | O-a, Inc. (USA) |
NSN 2840-00-325-1428 is a Plate,seal Compress, 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 2840-00-325-1428 has 5 manufacturer part numbers on file: 618684 (Apex Machine Tool Company, Inc.), 618684 (Hart Acquisition Company, Llc Dba Hart Precision Machining, Llc Div Hart Precision Machining), 618684 (Wgi Inc. Dba Wgi Inc), 618684 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 618684 (O-a, Inc.).
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 2840-00-325-1428 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.