The Retaining Piston and Shoe Assemb, cataloged under National Stock Number 4320-01-031-7200, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-031-7200 |
| Primary Part Number | 396389 |
| Item Name | Retaining Piston and Shoe Assemb |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 2.064 IN. MIN 2.070 IN. MAX OD; 0.865 IN. MIN 0.900 IN. MAX TAPERED ID; 0.124 IN. THK; OUTERPERIPHERY GROOVED; 0.040 IN. ID; CENTER OF GROOVE TO EDGE; W/SEVEN HOLES; 0.408 IN. ID EQUALLY SPACED ON 1.398 IN. DIA BOLT CIRCLE IN |
| 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 |
|---|---|
| 396389 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 396385 | D/9 Drawing number reference only Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-031-7200 is a Retaining Piston and Shoe Assemb, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-031-7200 has 1 manufacturer part number on file: 396389 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 396389: General Characteristics Item Description: STEEL; 2.064 IN. MIN 2.070 IN. MAX OD; 0.865 IN. MIN 0.900 IN. MAX TAPERED ID; 0.124 IN. THK; OUTERPERIPHERY GROOVED; 0.040 IN. ID; CENTER OF GROOVE TO EDGE; W/SEVEN HOLES; 0.408 IN. ID EQUALLY SPACED ON 1.398 IN. DIA BOLT CIRCLE IN. 1 specification is 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.