The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-419-0512, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-419-0512 |
| Primary Part Number | N-1173 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Orifice Diameter | 0.063 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 |
|---|---|
| L-41359 REV-A PC. N0.8 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| N-1173 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| 62634 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
NSN 4730-01-419-0512 is a Restrictor,fluid Flow, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-419-0512 has 3 manufacturer part numbers on file: L-41359 REV-A PC. N0.8 (Spirax Sarco Inc Dba Spirax Sarco), N-1173 (Spirax Sarco Inc Dba Spirax Sarco), 62634 (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for N-1173: Special Features: FOR USE WITH STEAM; End Item Identification: VARIOUS; Material: STEEL CORROSION RESISTING; Orifice Diameter: 0.063 INCHES NOMINAL IN. 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.