The Union,pipe, cataloged under National Stock Number 4730-00-240-1671, 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 20 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-240-1671 |
| Primary Part Number | ASMEB16.39-06-T-A |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Style Designator | SCREWED |
| Material Document and Classification | QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM 197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | IRON OR STEEL NUT |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Material Document and Classification | QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE THREAD PIECE |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material | COPPER ALLOY SEAT |
| Material Document and Classification | QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Nominal Overall Length | 2.260 INCHES IN |
| Material | IRON OR STEEL TAILPIECE |
| Seat Type | GROUND-JOINT |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Material | IRON OR STEEL THREAD PIECE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PT18 | Universal-Grabler Corp (USA) |
| A5 | Jefferson Union Co (USA) |
| WWU531-06TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| ASMEB16.39-06-T-A PRIMARY | The American Society of Mechanical Engineers (USA) |
| PT1280 | Crane Co Div Valve Div (USA) |
NSN 4730-00-240-1671 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-240-1671 has 6 cross-referenced part numbers: PT18 (Universal-Grabler Corp), A5 (Jefferson Union Co), WWU531-06TA (Federal Specifications Promulgated by General Services Administration Washington DC), ASME-B16.39 (The American Society of Mechanical Engineers), ASMEB16.39-06-T-A (The American Society of Mechanical Engineers) and 1 more.
There are 12 known substitutes for 4730-00-240-1671: 6130-00-197-1990, 4730-00-240-1670, 4730-00-240-1672 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASMEB16.39-06-T-A: Style Designator: SCREWED; Material Document and Classification: QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM 197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE; Media for Which Designed: STEAM FIRST RESPONSE; Material: IRON OR STEEL NUT. 20 total characteristics are documented in the Federal Logistics Information System.