The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-920-8898, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-920-8898 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Strainer Type and Quantity | 2 FILTER |
| Design Type | STRAIGHT |
| Thread Series | UNS ALL CONNECTIONS |
| End Connection Type | ERR-030 ALL CONNECTIONS |
| Diameter | 2.188 INCHES NOMINAL IN |
| Valve Size | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND ALL CONNECTIONS |
| Thread Size Designator | 1.000-14 ALL CONNECTIONS |
| Thread Class | 2B ALL CONNECTIONS |
| Material | ALUMINUM BODY |
| End Connection Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9384788 | 7/9 Vendor item drawing reference U.S. Government activity |
| 9384788 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 1-1-6 | 5/9 Secondary reference Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp |
| FC 1-1-6 | 3/9 Design control — primary reference Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp |
NSN 4730-00-920-8898 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2520-01-247-9532. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-920-8898: Strainer Type and Quantity: 2 FILTER; Design Type: STRAIGHT; Thread Series: UNS ALL CONNECTIONS; End Connection Type: ERR-030 ALL CONNECTIONS. 11 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.