The Nut,tube Coupling, cataloged under National Stock Number 4730-00-684-0844, 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 Mueller Brass Co.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-684-0844 |
| Primary Part Number | A142 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mueller Brass Co. |
| Status | ACTIVE |
| Smallest Inside Diameter | 0.383 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Fabrication Method | MACHINED |
| Nominal Thread Size | 0.625 INCHES IN |
| Thread Class | 2B |
| Material Document and Classification | QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 377 OVERALL |
| Thread Series | UNF |
| Thread Quantity Per Inch | 18 |
| Length to Shoulder | 0.500 INCHES NOMINAL IN |
| Nut Height | 1.000 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A142 PRIMARY | Mueller Brass Co. (USA) |
NSN 4730-00-684-0844 is a Nut,tube Coupling, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-684-0844 has 1 cross-referenced part number: A142 (Mueller Brass Co.).
There are 8 known substitutes for 4730-00-684-0844: 4820-00-117-9087, 5950-00-118-8124, 3455-00-224-3637 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for A142: Smallest Inside Diameter: 0.383 INCHES NOMINAL IN; Nut Style: TUBE COUPLING; Fabrication Method: MACHINED; Nominal Thread Size: 0.625 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.