The Fitting,lubrication, cataloged under National Stock Number 4730-01-719-1017, 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 Flinthills Trading Company, Llc Dba Gl Huyett. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-719-1017 |
| Primary Part Number | H1644S |
| Item Name | Fitting,lubrication |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flinthills Trading Company, Llc Dba Gl Huyett |
| Status | ACTIVE |
| Shank Diameter | 0.437 INCHES NOMINAL IN |
| Width Across Flats | 0.437 INCHES NOMINAL IN |
| Shank Length | 0.230 INCHES NOMINAL IN |
| Style Designator | STRAIGHT |
| Nominal Thread Size | 0.125 INCHES IN |
| Height | 0.560 INCHES NOMINAL IN |
| Screw Thread Series Designator | PTF-SPL EXTRA SHORT |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 27 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| H1644S PRIMARY | Flinthills Trading Company, Llc Dba Gl Huyett (USA) |
| Reference | Meaning |
|---|---|
| 8794942/SHEET 1, FIND 2 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-719-1017 is a Fitting,lubrication, manufactured by Flinthills Trading Company, Llc Dba Gl Huyett, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-719-1017 has 1 manufacturer part number on file: H1644S (Flinthills Trading Company, Llc Dba Gl Huyett).
Key specifications for H1644S: Shank Diameter: 0.437 INCHES NOMINAL IN; Width Across Flats: 0.437 INCHES NOMINAL IN; Shank Length: 0.230 INCHES NOMINAL IN; Style Designator: STRAIGHT. 10 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.