The Pump,rotary, cataloged under National Stock Number 4320-00-056-1013, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-056-1013 |
| Primary Part Number | 9483A16 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | ROUND FLANGE |
| Drive Shaft Length | 1.481 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN |
| Drive Connection Type | GEAR |
| Drive Shaft Type | SPLINED, STRAIGHT EXTERNAL |
| Volume Control Type | ROTARY |
| Drive Shaft End Diameter | 1.262 INCHES MINIMUM AND 1.267 INCHES MAXIMUM IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 2 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Operation Method | POWERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9482A9 | Triumph Engine Control Systems Llc (USA) |
| 9482A11 | Triumph Engine Control Systems Llc (USA) |
| 9483A16 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 500890 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 512259 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 9483A14 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
| 9483A9 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
| 9483A13 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
| 9483A10 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
NSN 4320-00-056-1013 is a Pump,rotary, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-056-1013 has 5 manufacturer part numbers on file: 9482A9 (Triumph Engine Control Systems Llc), 9482A11 (Triumph Engine Control Systems Llc), 9483A16 (Triumph Engine Control Systems Llc), 500890 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 512259 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-693-3546, 5905-01-159-0771, 5975-01-599-5949. Verify interchangeability with system specifications before substitution.
Key specifications for 9483A16: Discharge Connection Quantity: 2; Intake Connection Type: ROUND FLANGE; Drive Shaft Length: 1.481 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN; Drive Connection Type: GEAR. 13 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.
NSN 4320-00-056-1013 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.