The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-180-5222, 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 Donaldson Company, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-180-5222 |
| Primary Part Number | 327863-01 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Pressure Rating | 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Strainer Type and Quantity | 1 FILTER |
| Design Type | STRAIGHT |
| End Connection Type | THREADED MALE LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -65.0 TO 275.0 FAHRENHEIT DEGF |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING FILTER |
| End Connection Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 327863-01 PRIMARY | Donaldson Company, Inc. (USA) |
| LE273-0027-0001 | The Boeing Company Div Legacy Am&m (USA) |
| LE273-0027-0002 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| 327863 | 5/9 Secondary reference Donaldson Company, Inc. |
| LE273-0027 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 4730-01-180-5222 is a Restrictor Unit,fluid Flow, manufactured by Donaldson Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-180-5222 has 3 manufacturer part numbers on file: 327863-01 (Donaldson Company, Inc.), LE273-0027-0001 (The Boeing Company Div Legacy Am&m), LE273-0027-0002 (The Boeing Company Div Legacy Am&m).
Key specifications for 327863-01: Pressure Rating: 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Width Across Flats: 1.000 INCHES NOMINAL IN; Strainer Type and Quantity: 1 FILTER; Design Type: STRAIGHT. 9 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.
NSN 4730-01-180-5222 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.