The Piston,pump, cataloged under National Stock Number 4320-01-355-9522, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-355-9522 |
| Primary Part Number | 861077 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Diameter | 0.4362 INCHES MINIMUM AND 0.4364 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 861077 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4320-01-355-9522 is a Piston,pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-355-9522 has 1 manufacturer part number on file: 861077 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 861077: Overall Height: 2.000 INCHES NOMINAL IN; Diameter: 0.4362 INCHES MINIMUM AND 0.4364 INCHES MAXIMUM IN; Special Features: VICKERS MODEL PV3-115-3 ACTUATOR PUMP; End Item Identification: 2350-01-305-0028. 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.
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.