The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-965-9880, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-965-9880 |
| Primary Part Number | S1427BK |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Length | 1.562 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Outside Diameter | 0.415 INCHES NOMINAL IN |
| Material | STEEL |
| Orifice Diameter | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| SG3826PC31 | Circor Pumps North America Llc (USA) |
| S1427BK PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG3826PC31 | 5/9 Secondary reference Siemens Energy, Inc. |
| S1427BK | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4730-00-965-9880 is a Restrictor,fluid Flow, manufactured by Circor Pumps North America Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-965-9880 has 2 manufacturer part numbers on file: SG3826PC31 (Circor Pumps North America Llc), S1427BK (Circor Pumps North America Llc).
Key specifications for S1427BK: Length: 1.562 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Outside Diameter: 0.415 INCHES NOMINAL IN. 6 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.