The Post,servo Piston, cataloged under National Stock Number 4320-01-448-7147, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-448-7147 |
| Item Name | Post,servo Piston |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| General Characteristics Item Description | STEEL IS 11L17 OR 12L14 |
| 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 |
| Reference | Meaning |
|---|---|
| MA787444V ITEM 4 | 5/9 Secondary reference Parker Hannifin Corporation Dba Hydraulic Pump/motor Duv Div Hydraulic Pump Division |
| MA786998 | 3/9 Design control — primary reference Parker Hannifin Corporation Dba Hydraulic Pump/motor Duv Div Hydraulic Pump Division |
NSN 4320-01-448-7147 is a Post,servo Piston, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-448-7147: Overall Diameter: 0.750 INCHES NOMINAL IN; General Characteristics Item Description: STEEL IS 11L17 OR 12L14; Overall Length: 1.848 INCHES NOMINAL IN; Special Features: HEAT TREATED PER IIID 15.30FK HR15N 89/91; LOW CARBON SEAMLESS STEEL TUBE WITH INTERNAL DIA OF 0.48IN.; FITS INSIDE SERVO PISTON IN PARKER PVP 16 HYDRAULIC PUMPS 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.