The Pump,rotary, cataloged under National Stock Number 4320-00-311-7678, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 4320-00-311-7678 |
| Primary Part Number | 728365 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Volume Control Type | ROTARY |
| Discharge Connection Type | TRIANGULAR FLANGE |
| Intake Connection Type | SQUARE FLANGE AND TRIANGULAR FLANGE |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Drive Shaft Length | 1.970 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROLLING DWG NO. 728365 |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| Intake Connection Quantity | 2 |
| Control Location | CENTER |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Rotary Pump Design | GEAR |
| Drive Connection Type | RIGID COUPLED |
| Discharge Connection Quantity | 2 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4320-00-311-7678 is a Pump,rotary, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-00-311-7678 has 2 cross-referenced part numbers: 728365 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 50466 (Triumph Engine Control Systems Llc).
There are 5 known substitutes for 4320-00-311-7678: 3040-00-119-9848, 5815-00-356-3328, 8940-01-080-5930 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 728365: Volume Control Type: ROTARY; Discharge Connection Type: TRIANGULAR FLANGE; Intake Connection Type: SQUARE FLANGE AND TRIANGULAR FLANGE; Drive Shaft Type: SPLINED, INVOLUTE EXTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-00-311-7678 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.