The Block,rotor Bearing, cataloged under National Stock Number 4320-00-944-8736, 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. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-944-8736 |
| Primary Part Number | S1407BD |
| Item Name | Block,rotor Bearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| SG3378PC19 | Circor Pumps North America Llc (USA) |
| SG3838PC19 | Circor Pumps North America Llc (USA) |
| SG3648PC19 | Circor Pumps North America Llc (USA) |
| S1407BD PRIMARY | Circor Pumps North America Llc (USA) |
| SG2441PC19 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG3648PC19 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3378PC19 | 5/9 Secondary reference Siemens Energy, Inc. |
| 3318621PC19 | 5/2 Secondary reference U.S. Government activity |
| SG3838PC19 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG2441PC19 | 5/9 Secondary reference Siemens Energy, Inc. |
| S1407BD | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4320-00-944-8736 is a Block,rotor Bearing, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-944-8736 has 5 manufacturer part numbers on file: SG3378PC19 (Circor Pumps North America Llc), SG3838PC19 (Circor Pumps North America Llc), SG3648PC19 (Circor Pumps North America Llc), S1407BD (Circor Pumps North America Llc), SG2441PC19 (Circor Pumps North America Llc).
Key specifications for S1407BD: End Item Identification: ROTARY POWER PUMP. 0 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.