The Pump,rotary, cataloged under National Stock Number 4320-01-385-8948, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-385-8948 |
| Primary Part Number | 2 1/2 GRM |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 5.000 INCHES NOMINAL IN |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 1800.0 REVOLUTIONS PER MINUTE |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Discharge Pressure | 0.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES |
| Maximum Discharge Flow Rate | 140.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 1.000 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 2 1/2 GRM RW-191977 REV. B | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 2 1/2 GRM PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 2 1/2 GRM | 3/9 Design control — primary reference U.S. Government activity |
| 2 1/2 GRM RW-191977 REV. B | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-385-8948 is a Pump,rotary, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-385-8948 has 2 manufacturer part numbers on file: 2 1/2 GRM RW-191977 REV. B (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 2 1/2 GRM (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 2 1/2 GRM: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 5.000 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.