The Pump,rotary, cataloged under National Stock Number 4320-00-810-9849, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-810-9849 |
| Primary Part Number | 310446 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 310446 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 15843 PRIMARY | Williams International Co., L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 310446 | 5/9 Secondary reference Howden Fluid Systems |
| 58561-2 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems |
NSN 4320-00-810-9849 is a Pump,rotary, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-810-9849 has 2 manufacturer part numbers on file: 310446 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 15843 (Williams International Co., L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 8145-01-539-4563, 6515-01-582-3486. Verify interchangeability with system specifications before substitution.
Key specifications for 310446: Media for Which Designed: HYDROCARBON FUELS AND OILS; Operation Method: POWERED. 2 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.