The Pump,rotary, cataloged under National Stock Number 4320-00-273-9555, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Bijur Lubricating Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-273-9555 |
| Primary Part Number | C-2421 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Bijur Lubricating Corp |
| Status | ACTIVE |
| Operating Speed at Rated Capacity | 1000.0 REVOLUTIONS PER MINUTE |
| Pump Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Operation Method | POWERED |
| Drive Connection Type | CLOSE COUPLED |
| Pumping Element Operating Position | HORIZONTAL |
| Discharge Pressure | 00.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 0.1 GALLONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Intake Connection Thread Size and Series/type Designator | 0.438-20 UNF |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Intake Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Discharge Connection Quantity | 1 |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C-2421 PRIMARY | Bijur Lubricating Corp (USA) |
NSN 4320-00-273-9555 is a Pump,rotary, manufactured by Bijur Lubricating Corp, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-273-9555 has 1 cross-referenced part number: C-2421 (Bijur Lubricating Corp).
There is 1 known substitute for 4320-00-273-9555: 6145-00-715-1186. Verify interchangeability with system specifications before substitution.
Key specifications for C-2421: Operating Speed at Rated Capacity: 1000.0 REVOLUTIONS PER MINUTE; Pump Rotation Direction: CLOCKWISE AND COUNTERCLOCKWISE; Operation Method: POWERED; Drive Connection Type: CLOSE COUPLED. 16 total characteristics are documented in the Federal Logistics Information System.