The Pump,rotary, cataloged under National Stock Number 4320-01-056-4728, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-056-4728 |
| Primary Part Number | 4892157-1 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | RECTANGULAR FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.160 INCHES NOMINAL IN |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 3600.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.562-28 UN AND 1.062-12 UN |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Discharge Pressure | 500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 4.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Mounting Type | BASE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 4892157-1 PRIMARY | Kalmar AC Inc (USA) |
| 4880396 | Kalmar AC Inc (USA) |
| 74880396 | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| PVP2-115ADGY | 5/9 Secondary reference Dana Corp Tyrone Hydraulics Inc Div |
| 4876718 | D/9 Drawing number reference only Kalmar AC Inc |
| PVP2-115A | C/1 Advisory reference — outside the item-of-supply concept Dana Corp Tyrone Hydraulics Inc Div |
NSN 4320-01-056-4728 is a Pump,rotary, manufactured by Kalmar AC Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-056-4728 has 3 manufacturer part numbers on file: 4892157-1 (Kalmar AC Inc), 4880396 (Kalmar AC Inc), 74880396 (Kalmar AC Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-062-1620. Verify interchangeability with system specifications before substitution.
Key specifications for 4892157-1: Discharge Connection Quantity: 2; Intake Connection Type: RECTANGULAR FLANGE; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 1.160 INCHES NOMINAL IN. 16 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.