The Housing Section,liquid Pump, cataloged under National Stock Number 4320-01-490-6878, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-490-6878 |
| Primary Part Number | 12453 |
| Item Name | Housing Section,liquid Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Accessory Components and Quantity | BUSHING 2, CHECK VALVE 1 |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 12453 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 12453 | 3/9 Design control — primary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4320-01-490-6878 is a Housing Section,liquid Pump, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-490-6878 has 1 manufacturer part number on file: 12453 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2510-01-501-6278, 5340-01-564-2197. Verify interchangeability with system specifications before substitution.
Key specifications for 12453: Overall Length: 6.000 INCHES NOMINAL IN; Overall Width: 3.000 INCHES NOMINAL IN; Accessory Components and Quantity: BUSHING 2, CHECK VALVE 1; Special Features: T.O. A1-441AC-450-010. 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.