The Union,pipe, cataloged under National Stock Number 4730-00-092-9670, 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 American Society of Mechanical Engineers. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-092-9670 |
| Primary Part Number | B16.39 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | IRON OVERALL |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | SCREWED |
| Coupling Flange Shape | HEXAGON |
| Seat Type | GROUND-JOINT |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Reducer Type | CONCENTRIC |
| Nominal Overall Length | 1.625 INCHES IN |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B16.39 | The American Society of Mechanical Engineers (USA) |
| 1621-040 | Flaton Machine Works Inc. (USA) |
| WW-U-351-22TB | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 519 1-4BLK | Crane Co Div Valve Div (USA) |
| 519 1-4 | Crane Co Div Valve Div (USA) |
| 554-1/4BLK | Itt Grinnell Corp (USA) |
NSN 4730-00-092-9670 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-092-9670 has 6 cross-referenced part numbers: B16.39 (The American Society of Mechanical Engineers), 1621-040 (Flaton Machine Works Inc.), WW-U-351-22TB (Federal Specifications Promulgated by General Services Administration Washington DC), 519 1-4BLK (Crane Co Div Valve Div), 519 1-4 (Crane Co Div Valve Div) and 1 more.
There are 3 known substitutes for 4730-00-092-9670: 5998-00-064-5570, 6645-00-163-0511, 3950-01-069-8510. Verify interchangeability with system specifications before substitution.
Key specifications for B16.39: Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Material: IRON OVERALL; Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: THE OVERALL SURFACE TREATMENT COATING IS BLACK. 12 total characteristics are documented in the Federal Logistics Information System.