The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-176-2990, 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 Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-176-2990 |
| Primary Part Number | 3910882029 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Length | 0.750 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Thread Length | 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Diameter | 0.812 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Orifice Diameter | 0.070 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 |
|---|---|
| 3910882029 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 7-926-001445 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| KB-1530-3-070 ORIFICE | 5/9 Secondary reference Parker Hannifin Corporation Div Cylinder Division |
NSN 4730-01-176-2990 is a Restrictor,fluid Flow, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-176-2990 has 2 manufacturer part numbers on file: 3910882029 (Parker Hannifin Corporation Div Cylinder Division), 7-926-001445 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 3910882029: Length: 0.750 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Thread Length: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 7 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.