The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-833-0632, 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 Cummins Power Generation Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-833-0632 |
| Primary Part Number | 502-0235 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Thread Provision | THREADED ALL PROVISIONS |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | NPTF SECOND PROVISION |
| Thread Series | UNEF FIRST PROVISION |
| Outside Diameter | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Direction | RIGHT-HAND SECOND PROVISION |
| Thread Size Designator | 0.125-27 SECOND PROVISION |
| Thread Size Designator | 0.312-28 FIRST PROVISION |
| Thread Class | 2A SECOND PROVISION A |
| Thread Class | 2B FIRST PROVISION |
| Material | COPPER ALLOY |
| Orifice Diameter | 0.028 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 |
|---|---|
| 502-0235 PRIMARY | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| 502A235 | 5/9 Secondary reference Cummins Power Generation Inc. |
| 502-235 | 5/9 Secondary reference Cummins Power Generation Inc. |
NSN 4730-00-833-0632 is a Restrictor,fluid Flow, manufactured by Cummins Power Generation Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-833-0632 has 1 manufacturer part number on file: 502-0235 (Cummins Power Generation Inc.).
Key specifications for 502-0235: Thread Provision: THREADED ALL PROVISIONS; Design Type: TUBULAR, HEX SHAPE; Thread Series: NPTF SECOND PROVISION; Thread Series: UNEF FIRST PROVISION. 13 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.