The Pump,axial Pistons, cataloged under National Stock Number 4320-01-109-2361, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-01-109-2361 |
| Primary Part Number | 4550-0018 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | CANCELLED |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Intake Connection Thread Size and Series/type Designator | 1.875-12 UNIFIED NATIONAL JOINT (UNJ) |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 1.565 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Pump Reciprocating Design | SINGLE ACTING |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Drive Connection Type | CLOSE COUPLED |
| Drive Shaft End Diameter | 1.262 INCHES MINIMUM AND 1.267 INCHES MAXIMUM IN |
| Discharge Connection Type | THREADED INTERNAL |
| Reciprocating Stroke Type | VARIABLE |
| Volume Control Type | PRESSURE COMPENSATION |
| Pumping Element Operating Position | HORIZONTAL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Drive Shaft Type | SPLINED, INVOLUTE INTERNAL |
| Pumping Element Type | PISTON |
| Discharge Connection Thread Size and Series/type Designator | 1.312-12 UNIFIED NATIONAL JOINT (UNJ) |
| Discharge Connection Quantity | 1 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4550-0018 | Testek Llc Dba Testek Solutions (USA) |
| 4550-0018 | Aai Corporation Div Mississippi Operations (USA) |
| 4550-0018-1 | Aai Corporation Div Mississippi Operations (USA) |
| 830001 | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
NSN 4320-01-109-2361 is a Pump,axial Pistons, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-01-109-2361 has 4 cross-referenced part numbers: 4550-0018 (Testek Llc Dba Testek Solutions), 4550-0018 (Aai Corporation Div Mississippi Operations), 4550-0018-1 (Aai Corporation Div Mississippi Operations), 830001 (Bosch Rexroth Corporation Div Industrial Hydraulics).
There are 5 known substitutes for 4320-01-109-2361: 4130-00-196-2957, 5330-01-046-0403, 6520-01-089-5670 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4550-0018: Intake Connection Quantity: 1; Media for Which Designed: HYDROCARBON FUELS AND OILS; Intake Connection Thread Size and Series/type Designator: 1.875-12 UNIFIED NATIONAL JOINT (UNJ); Intake Connection Type: THREADED INTERNAL. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-01-109-2361 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.