The Union,pipe, cataloged under National Stock Number 4730-00-595-2568, 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 Crane Co Div Valve Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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 | 4730-00-595-2568 |
| Primary Part Number | 198E4 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | CANCELLED |
| Reducer Type | CONCENTRIC |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Surface Treatment | ZINC INSIDE |
| Maximum Operating Temp | 288.0 CELSIUS SINGLE RESPONSE DEGC |
| Style Designator | SCREWED |
| Nominal Thread Size | 4.000 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 5.000 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material | IRON OVERALL |
| Surface Treatment | ZINC OUTSIDE |
| Seat Type | GROUND-JOINT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWU531-68TA | Society of Automotive Engineers Inc (USA) |
| 858-175 | Aqua-Chem Inc Cleaver-Brooks Div (USA) |
| B16.39 | The American Society of Mechanical Engineers (USA) |
| 459 | Itt Grinnell Corp (USA) |
| ASME B16.39-68-T-A | The American Society of Mechanical Engineers (USA) |
| 198E4 PRIMARY | Crane Co Div Valve Div (USA) |
| WWU531 | Society of Automotive Engineers Inc (USA) |
NSN 4730-00-595-2568 is a Union,pipe, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-595-2568 has 7 cross-referenced part numbers: WWU531-68TA (Society of Automotive Engineers Inc), 858-175 (Aqua-Chem Inc Cleaver-Brooks Div), B16.39 (The American Society of Mechanical Engineers), 459 (Itt Grinnell Corp), ASME B16.39-68-T-A (The American Society of Mechanical Engineers) and 2 more.
There are 12 known substitutes for 4730-00-595-2568: 6210-00-172-3198, 4730-00-204-3392, 5999-00-241-6388 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 198E4: Reducer Type: CONCENTRIC; Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Surface Treatment: ZINC INSIDE; Maximum Operating Temp: 288.0 CELSIUS SINGLE RESPONSE DEGC. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-595-2568 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.