The Piston,pump, cataloged under National Stock Number 4320-00-168-0798, 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 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-168-0798 |
| Primary Part Number | 34626 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Diameter | 1.685 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 34626 | Reidville Hydraulics & Mfg Inc (USA) |
| 34626 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| WT-34626-W PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4320-00-168-0798 is a Piston,pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-168-0798 has 3 manufacturer part numbers on file: 34626 (Reidville Hydraulics & Mfg Inc), 34626 (Eaton Aerospace, Llc Dba Jackson South), WT-34626-W (Eaton Aerospace, Llc Dba Jackson South).
4 possible matches (shared part number, not a government interchangeability claim): 5999-00-258-4075, 5950-00-645-8090, 5342-00-978-3433. Verify interchangeability with system specifications before substitution.
Key specifications for 34626: Overall Height: 1.875 INCHES NOMINAL IN; Diameter: 1.685 INCHES NOMINAL IN; Pin: INCLUDED; Special Features: W/STEEL INSERT,THD 1.188-20 UN; INSERT ID 0.818 IN. IN. 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.
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.