The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-668-2789, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is General Atomics Div General Atomics Electromagnetic Systems. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | General Atomics Div General Atomics Electromagnetic Systems (CAGE 4XB60); Curtiss-Wright Electro-Mechanical Corporation Dba Advanced Products and Systems Division Div Advanced Products and Systems (CAGE 4B9X1) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-668-2789 |
| Primary Part Number | 3890AS002463-01 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | General Atomics Div General Atomics Electromagnetic Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3890AS002463-01 PRIMARY | General Atomics Div General Atomics Electromagnetic Systems (USA) |
| 01D1673G01 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Advanced Products and Systems Division Div Advanced Products and Systems (USA) |
| Reference | Meaning |
|---|---|
| 3890AS002463-01 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4320-01-668-2789 is a Seal Assembly,shaft,spring Loade, manufactured by General Atomics Div General Atomics Electromagnetic Systems, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-668-2789 has 2 manufacturer part numbers on file: 3890AS002463-01 (General Atomics Div General Atomics Electromagnetic Systems), 01D1673G01 (Curtiss-Wright Electro-Mechanical Corporation Dba Advanced Products and Systems Division Div Advanced Products and Systems).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.