The Nut,tube Coupling, cataloged under National Stock Number 4730-00-204-0800, 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 Kito Mfg Co. Ltd. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-204-0800 |
| Primary Part Number | 179838 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Kito Mfg Co. Ltd |
| Status | CANCELLED |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Height | 1.440 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Nominal Tube Outside Diameter | 0.500 INCHES IN |
| Smallest Inside Diameter | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.000 INCHES IN |
| Fabrication Method | ROLLED |
| Thread Quantity Per Inch | 16 |
| Thread Pitch Diameters | +0.95940 TO 0.96331 INCHES IN |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Nut Style | TUBE COUPLING |
| Width Across Flats | 1.231 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series | UNS |
| Length to Shoulder | 1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4730-00-204-0800 is a Nut,tube Coupling, manufactured by Kito Mfg Co. Ltd, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-204-0800 has 4 cross-referenced part numbers: 179838 (Kito Mfg Co. Ltd), 179838 (Kito Mfg Co. Ltd), 179838 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 179838 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There are 3 known substitutes for 4730-00-204-0800: 5306-00-093-7349, 5305-01-140-9118, 5306-01-584-0087. Verify interchangeability with system specifications before substitution.
Key specifications for 179838: Material: ALUMINUM ALLOY 2024 OVERALL; Thread Direction: RIGHT-HAND; Nut Height: 1.440 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN; Nominal Tube Outside Diameter: 0.500 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-204-0800 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.