The Compensator,pump, cataloged under National Stock Number 4320-01-323-9571, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-323-9571 |
| Primary Part Number | S21-12360-0 |
| Item Name | Compensator,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| General Characteristics Item Description | DRAWING CALLS OUT "ASSY-COMPENSATOR FOR REMOTE ADJUSTMENT"; ITEM IS IN THE SHAPE OF A RECTANGULAR BLOCK WITH A HANDWHEEL WHICH TURNS A SPRING AND VALVE; OVER ALL IT IS ABOUT 5 IN BY 2 IN BY 5 IN; USED W/REMOTE VOLUME CONTROK SCREW PUMP (NSN 4320-01-198-1954) TO MODFIY AND REPAIR MODEL P6T-1L1A-000-B1-M2-11747 PUMPS IN |
| Reference Data and Literature | AF TO. 33A2-2-22-11 CALLS OUT TEST STAND |
| 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 |
|---|---|
| S21-12360-0 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| S21-11742 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
NSN 4320-01-323-9571 is a Compensator,pump, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-323-9571 has 1 manufacturer part number on file: S21-12360-0 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for S21-12360-0: General Characteristics Item Description: DRAWING CALLS OUT "ASSY-COMPENSATOR FOR REMOTE ADJUSTMENT"; ITEM IS IN THE SHAPE OF A RECTANGULAR BLOCK WITH A HANDWHEEL WHICH TURNS A SPRING AND VALVE; OVER ALL IT IS ABOUT 5 IN BY 2 IN BY 5 IN; USED W/REMOTE VOLUME CONTROK SCREW PUMP (NSN 4320-01-198-1954) TO MODFIY AND REPAIR MODEL P6T-1L1A-000-B1-M2-11747 PUMPS IN; Reference Data and Literature: AF TO. 33A2-2-22-11 CALLS OUT TEST STAND; End Item Identification: VARIOUS HYDRAULIC TEST STANDS USED FOR AFCT,THE MK3A MODEL,WHICH INCLUDES NSN 4920-00-528-8780. 2 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.