The Piston,pump, cataloged under National Stock Number 4320-01-423-3430, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-423-3430 |
| Primary Part Number | 921698 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Head Style | FLAT |
| 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 |
|---|---|
| 921698 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 921698 | C/1 Advisory reference — outside the item-of-supply concept Rexroth Corp the Mobile Hydraulics Div |
| 921698 | C/1 Advisory reference — outside the item-of-supply concept Bosch Rexroth Ag |
NSN 4320-01-423-3430 is a Piston,pump, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-423-3430 has 1 manufacturer part number on file: 921698 (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for 921698: Head Style: FLAT; End Item Identification: PUMP,THE REXROTH CORP,MODEL AA4VG;NAVY WEAPONS SYSTEM CODE,TH,STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.