The Union,pipe, cataloged under National Stock Number 4730-00-240-1670, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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 | 4730-00-240-1670 |
| Primary Part Number | ASMEB16.39-02-T-A |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Style Designator | SCREWED |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | IRON OR STEEL TAILPIECE |
| Material | IRON OR STEEL NUT |
| Thread Series Designator | NPT ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Material | COPPER ALLOY SEAT |
| Connection Style | PLAIN (PIPE) 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 NUT |
| Seat Type | BEVELED |
| 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 TAILPIECE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Overall Length | 1.440 INCHES IN |
| Media for Which Designed | STEAM FIRST RESPONSE |
| 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 |
| Material | IRON OR STEEL THREAD PIECE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| ASMEB16.39-02-T-A PRIMARY | The American Society of Mechanical Engineers (USA) |
| PT1280 | Crane Co Div Valve Div (USA) |
| WWU531-02TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| PT18 | Universal-Grabler Corp (USA) |
| 1280-3/8 IN BLACK | Crane Co Div Valve Div (USA) |
NSN 4730-00-240-1670 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-240-1670 has 6 cross-referenced part numbers: ASME-B16.39 (The American Society of Mechanical Engineers), ASMEB16.39-02-T-A (The American Society of Mechanical Engineers), PT1280 (Crane Co Div Valve Div), WWU531-02TA (Federal Specifications Promulgated by General Services Administration Washington DC), PT18 (Universal-Grabler Corp) and 1 more.
There are 12 known substitutes for 4730-00-240-1670: 6130-00-197-1990, 4730-00-240-1671, 4730-00-240-1672 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASMEB16.39-02-T-A: Style Designator: SCREWED; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Coupling Flange Shape: HEXAGON; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-240-1670 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.