The Union,pipe, cataloged under National Stock Number 4730-01-073-8113, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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 | 4730-01-073-8113 |
| Primary Part Number | WW-U-516 TY1 STA SZ25 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Seat Type | GROUND-JOINT |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Thread Series Designator | NPT FIRST END |
| Union Joint Location | FIRST END |
| Material | COPPER ALLOY OVERALL |
| Nominal Overall Length | 1.812 INCHES IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Style Designator | THREADED |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Coupling Flange Shape | HEXAGON |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WW-U-516 TY1 STA SZ25 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| WW-U-516 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AA59617 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 61-657-1/2 | Lee Brass Co (USA) |
| 716517 | Raytheon Company Div Rmd Strategic (USA) |
| 61-657-0050 | Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill (USA) |
| 61-657-1/2 | Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill (USA) |
| AA59617-25 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 716517-4 | Raytheon Company Div Rmd Strategic (USA) |
NSN 4730-01-073-8113 is a Union,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-073-8113 has 9 cross-referenced part numbers: WW-U-516 TY1 STA SZ25 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-U-516 (Federal Specifications Promulgated by General Services Administration Washington DC), AA59617 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 61-657-1/2 (Lee Brass Co), 716517 (Raytheon Company Div Rmd Strategic) and 4 more.
There are 12 known substitutes for 4730-01-073-8113: 4730-00-088-8389, 4730-00-088-8952, 4730-00-189-2588 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WW-U-516 TY1 STA SZ25: Seat Type: GROUND-JOINT; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS; Thread Series Designator: NPT FIRST END. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-073-8113 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.