The Piston,pump, cataloged under National Stock Number 4320-01-300-3134, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Reidville Hydraulics & Mfg Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-300-3134 |
| Primary Part Number | 71254 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Reidville Hydraulics & Mfg Inc |
| Status | ACTIVE |
| Surface Finish | FINISHED |
| Diameter | 1.875 INCHES NOMINAL IN |
| Finished Size Designation | STANDARD |
| 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 |
|---|---|
| 71254 PRIMARY | Reidville Hydraulics & Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 71254 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-300-3134 is a Piston,pump, manufactured by Reidville Hydraulics & Mfg Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-300-3134 has 1 manufacturer part number on file: 71254 (Reidville Hydraulics & Mfg Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-451-9218, 5331-01-618-3482. Verify interchangeability with system specifications before substitution.
Key specifications for 71254: Overall Height: 2.500 INCHES NOMINAL IN; Surface Finish: FINISHED; Diameter: 1.875 INCHES NOMINAL IN; Finished Size Designation: STANDARD. 4 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.