The Fitting,lubrication, cataloged under National Stock Number 4730-01-228-0348, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Alemite, Llc Dba Skf Usa Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-228-0348 |
| Primary Part Number | 1646-B1 |
| Item Name | Fitting,lubrication |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Alemite, Llc Dba Skf Usa Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.188 INCHES NOMINAL IN |
| Height | 0.703 INCHES NOMINAL IN |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Angle | 67.5 DEGREES |
| Assembly Clearance Radius | 0.500 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| Material | STEEL OVERALL |
| Shank Length | 0.218 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1646-B1 PRIMARY | Alemite, Llc Dba Skf Usa Inc. (USA) |
| 1646-B | Stewart-Warner Corporation (USA) |
| 4730PL0890905 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 4730PL1683106 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 1646B1 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-01-228-0348 is a Fitting,lubrication, manufactured by Alemite, Llc Dba Skf Usa Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-228-0348 has 5 cross-referenced part numbers: 1646-B1 (Alemite, Llc Dba Skf Usa Inc.), 1646-B (Stewart-Warner Corporation), 4730PL0890905 (Jednolity Indeks Materialowy - Uniform Material Index), 4730PL1683106 (Jednolity Indeks Materialowy - Uniform Material Index), 1646B1 (The Boeing Company Div Defense).
There are 2 known substitutes for 4730-01-228-0348: 4730-00-289-2928, 4730-01-670-1630. Verify interchangeability with system specifications before substitution.
Key specifications for 1646-B1: Shank Diameter: 0.188 INCHES NOMINAL IN; Height: 0.703 INCHES NOMINAL IN; Special Features: SERRATED DRIVE SHANK; Width Across Flats: 0.375 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.