The Union,pipe, cataloged under National Stock Number 4730-00-189-2606, 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 Mindeco Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-2606 |
| Primary Part Number | MILU18250 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mindeco Corp |
| Status | CANCELLED |
| Style Designator | SCREWED |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Reducer Type | CONCENTRIC |
| Coupling Flange Shape | HEXAGON |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Nominal Overall Length | 1.930 INCHES IN |
| Style Designator | SCREWED |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Overall Length | 1.930 INCHES IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nondefinitive Spec/std Data | XC TYPE |
| Specification/standard Data | 81349-MIL-U-18250 GOVERNMENT SPECIFICATION |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Seat Type | GROUND-JOINT |
| Nondefinitive Spec/std Data | XC TYPE |
| Material | IRON OVERALL |
| Material | IRON OVERALL |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Coupling Flange Shape | HEXAGON |
| Seat Type | GROUND-JOINT |
| Specification/standard Data | 81349-MIL-U-18250 GOVERNMENT SPECIFICATION |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILU18250 | Mindeco Corp (USA) |
| 269-503 | Pioneer Products Inc (USA) |
| FIG 463 1/2 | Itt Grinnell Corp (USA) |
| MILU18250 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| B16.39 | The American Society of Mechanical Engineers (USA) |
NSN 4730-00-189-2606 is a Union,pipe, manufactured by Mindeco Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-189-2606 has 5 cross-referenced part numbers: MILU18250 (Mindeco Corp), 269-503 (Pioneer Products Inc), FIG 463 1/2 (Itt Grinnell Corp), MILU18250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B16.39 (The American Society of Mechanical Engineers).
There are 12 known substitutes for 4730-00-189-2606: 4730-00-189-2598, 4730-00-189-2599, 4730-00-189-2600 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILU18250: Style Designator: SCREWED; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-189-2606 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.