The Pump,rotary, cataloged under National Stock Number 4320-01-173-4625, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-173-4625 |
| Primary Part Number | 2C2EV-C-STYLE D |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Tuthill Corporation Dba Tuthill Pump Group |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 3.250 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 1.000-11-1/2 NPT |
| Drive Shaft Type | WOODRUFF KEYWAY |
| Intake Connection Thread Size and Series/type Designator | 1.000-11-1/2 NPT |
| Discharge Pressure | 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 0.5 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 2.750 INCHES NOMINAL IN |
| Rotary Pump Design | VANE |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | CLOCKWISE |
| 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 |
|---|---|
| 2C2EV-C-STYLE D PRIMARY | Tuthill Corporation Dba Tuthill Pump Group (USA) |
| Reference | Meaning |
|---|---|
| PRP228002-000 | 5/2 Secondary reference U.S. Government activity |
| 2C1EV-C | C/1 Advisory reference — outside the item-of-supply concept Tuthill Corporation Dba Tuthill Pump Group |
| 228002 | 5/9 Secondary reference U.S. Government activity |
| 2C1EV-C STYLE D | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Pump Group |
| 2CEV-C7716 STYLE D | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Pump Group |
NSN 4320-01-173-4625 is a Pump,rotary, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-173-4625 has 1 manufacturer part number on file: 2C2EV-C-STYLE D (Tuthill Corporation Dba Tuthill Pump Group).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-674-8468. Verify interchangeability with system specifications before substitution.
Key specifications for 2C2EV-C-STYLE D: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 3.250 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.