The Union,pipe, cataloged under National Stock Number 4730-00-476-6444, 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 The Walworth Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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 | 4730-00-476-6444 |
| Primary Part Number | 7685 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | CANCELLED |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | IRON OR IRON ALLOY BODY |
| Surface Treatment | ZINC SEAT |
| Material | COPPER ALLOY OR IRON SEAT |
| Connection Type | THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Overall Length | 2.810 INCHES IN |
| Surface Treatment | ZINC BODY |
| Connection Style | PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS |
| Style Designator | THREADED |
| Seat Type | GROUND-JOINTGROUND-JOINT |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 1.250 INCHES ALL ENDS1.250 INCHES ALL ENDS IN |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7685 | The Walworth Company (USA) |
| 5711-1/4IN | Itt Grinnell Corp (USA) |
| 785-1-1/4 | The Walworth Company (USA) |
| B16.39 | The American Society of Mechanical Engineers (USA) |
| MILU18250 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 1641-250 | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
NSN 4730-00-476-6444 is a Union,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-476-6444 has 6 cross-referenced part numbers: 7685 (The Walworth Company), 5711-1/4IN (Itt Grinnell Corp), 785-1-1/4 (The Walworth Company), B16.39 (The American Society of Mechanical Engineers), MILU18250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.
There are 12 known substitutes for 4730-00-476-6444: 5945-00-114-9823, 4730-00-189-2598, 4730-00-189-2599 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7685: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Media for Which Designed: STEAM FIRST RESPONSE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Material: IRON OR IRON ALLOY BODY. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-476-6444 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.