The Nut,union, cataloged under National Stock Number 4730-00-142-2044, 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 Pakon Inc Dba Impak Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-142-2044 |
| Primary Part Number | 20-284 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Pakon Inc Dba Impak Division |
| Status | CANCELLED |
| Shoulder Width | 0.062 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.469 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Size | 1.312 INCHES IN |
| Shoulder Seat Diameter | 1.125 INCHES NOMINAL IN |
| Thread Series | UN |
| Shoulder Step Width | 0.125 INCHES NOMINAL IN |
| Thread Direction | LEFT-HAND |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Nut Height | 0.875 INCHES NOMINAL IN |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4730-00-142-2044 is a Nut,union, manufactured by Pakon Inc Dba Impak Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-142-2044 has 2 cross-referenced part numbers: A54R1 (Pakon Inc Dba Impak Division), 20-284 (Pakon Inc Dba Impak Division).
There are 7 known substitutes for 4730-00-142-2044: 3455-00-531-1327, 5355-00-644-1645, 4820-01-088-0813 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20-284: Shoulder Width: 0.062 INCHES NOMINAL IN; Smallest Inside Diameter: 0.469 INCHES NOMINAL IN; Thread Quantity Per Inch: 16; Nominal Thread Size: 1.312 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-142-2044 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.