The Pump,rotary, cataloged under National Stock Number 4320-01-328-3974, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Concentric Rockford Inc. Government technical data includes 22 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. 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 | 4320-01-328-3974 |
| Primary Part Number | 1300088 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Concentric Rockford Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 0.312 INCHES NOMINAL IN |
| Drive Connection Type | CLOSE COUPLED |
| Unpackaged Unit Length | 3.472 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 3600.0 REVOLUTIONS PER MINUTE |
| Unpackaged Unit Width | 3.250 INCHES NOMINAL IN |
| Discharge Connection Thread Size and Series/type Designator | 0.750-16 UNF |
| Drive Shaft Type | TONGUE |
| Intake Connection Thread Size and Series/type Designator | 0.750-16 UNF |
| Unpackaged Unit Height | 3.281 INCHES NOMINAL IN |
| Discharge Pressure | 300.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 4.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.500 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Material | IRON PUMP BASIC |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| 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 |
|---|---|
| 1300088 PRIMARY | Concentric Rockford Inc (USA) |
| G1116C1A300N00 | Concentric Rockford Inc (USA) |
NSN 4320-01-328-3974 is a Pump,rotary, manufactured by Concentric Rockford Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-328-3974 has 2 manufacturer part numbers on file: 1300088 (Concentric Rockford Inc), G1116C1A300N00 (Concentric Rockford Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-483-8003. Verify interchangeability with system specifications before substitution.
Key specifications for 1300088: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 0.312 INCHES NOMINAL IN. 22 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.