The Union,pipe, cataloged under National Stock Number 4730-00-189-2629, 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 30 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-2629 |
| Primary Part Number | MILU18250 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mindeco Corp |
| Status | CANCELLED |
| Thread Series Designator | NPT ALL ENDS |
| Surface Treatment | ZINC NUT |
| Media for Which Designed | AIR SECOND RESPONSE |
| Nominal Overall Length | 1.670 INCHES IN |
| Reducer Type | CONCENTRIC |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | FLUID FIRST RESPONSE |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-U-18250 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 426.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Surface Treatment | ZINC UNION |
| Nondefinitive Spec/std Data | XB TYPE |
| Style Designator | SCREWED |
| Nominal Overall Length | 1.670 INCHES IN |
| Seat Type | BALL-CONE |
| Media for Which Designed | AIR SECOND RESPONSE |
| Material | IRON OR STEEL OVERALL |
| Surface Treatment | CADMIUM SEAT |
| Specification/standard Data | 81349-MIL-U-18250 GOVERNMENT SPECIFICATION |
| Coupling Flange Shape | HEXAGON |
| Nondefinitive Spec/std Data | XB TYPE |
| Surface Treatment | ZINC THREAD PIECE |
| Surface Treatment | ZINC TAILPIECE |
| Style Designator | SCREWED |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | ZINC UNION |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILU18250 | Mindeco Corp (USA) |
| B16.39 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| MILU18250 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILU18250TYPEXA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-189-2629 is a Union,pipe, manufactured by Mindeco Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-189-2629 has 4 cross-referenced part numbers: MILU18250 (Mindeco Corp), B16.39 (American National Standards Institute Incorporated Dba American National Standards Institute), MILU18250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILU18250TYPEXA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4730-00-189-2629: 4730-00-189-2596, 4730-00-189-2597, 4730-00-189-2598 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILU18250: Thread Series Designator: NPT ALL ENDS; Surface Treatment: ZINC NUT; Media for Which Designed: AIR SECOND RESPONSE; Nominal Overall Length: 1.670 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-189-2629 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.