The Nut,tube Coupling, cataloged under National Stock Number 4730-00-678-9720, 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 Lenz Inc Dba the Lenz Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-678-9720 |
| Primary Part Number | 205-16 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Lenz Inc Dba the Lenz Company |
| Status | ACTIVE |
| Length to Shoulder | 0.781 INCHES NOMINAL IN |
| Nut Height | 1.219 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Width Across Flats | 1.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Smallest Inside Diameter | 1.031 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Nominal Thread Size | 1.500 INCHES IN |
| Nominal Tube Outside Diameter | 1.000 INCHES IN |
| Fabrication Method | MACHINED |
| Thread Series | UNF |
| Nut Style | TUBE COUPLING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1787809PC9 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1787809-9 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 205-16 PRIMARY | Lenz Inc Dba the Lenz Company (USA) |
NSN 4730-00-678-9720 is a Nut,tube Coupling, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-678-9720 has 3 cross-referenced part numbers: 1787809PC9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1787809-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 205-16 (Lenz Inc Dba the Lenz Company).
There are 7 known substitutes for 4730-00-678-9720: 5360-00-300-4231, 5940-00-518-8452, 7510-01-060-5896 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 205-16: Length to Shoulder: 0.781 INCHES NOMINAL IN; Nut Height: 1.219 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: PHOSPHATE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.