The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-178-8805, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-178-8805 |
| Primary Part Number | S438CX1 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Width Across Flats | 0.8800 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OUTER LAYER |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| SF-10012 PIECE 20 | Circor Pumps North America Llc (USA) |
| S438CX1 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SF-10012 PIECE 20 | 5/9 Secondary reference Siemens Energy, Inc. |
| S-438CX1/0227 | 5/9 Secondary reference Siemens Energy, Inc. |
| S-438CX1/0227 | 5/9 Secondary reference Circor Pumps North America Llc |
NSN 4320-01-178-8805 is a Sleeve,shaft,pump, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-178-8805 has 2 manufacturer part numbers on file: SF-10012 PIECE 20 (Circor Pumps North America Llc), S438CX1 (Circor Pumps North America Llc).
Key specifications for S438CX1: Width Across Flats: 0.8800 INCHES NOMINAL IN; Surface Treatment: ANODIZE OUTER LAYER; End Item Identification: PUMP,TRANSAMERICA DELAVAL INC,MODEL JJX3DE-187; Material: STEEL OVERALL. 3 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.