The Union,pipe, cataloged under National Stock Number 4730-00-240-1679, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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 | 4730-00-240-1679 |
| Primary Part Number | ASMEB16.39-18-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 |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| 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 CASTM A675 ASSN STD 1ST MATERIAL RESPONSE TAILPIECE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Reducer Type | CONCENTRIC |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR AASTM A153,CLASS A ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| Nondefinitive Spec/std Data | 1 CLASS AND B TYPE |
| 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 CASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR CASTM A675 ASSN STD 1ST MATERIAL RESPONSE THREAD PIECE |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material | COPPER ALLOY SEAT |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Specification/standard Data | 05047AMSEB16.39-18-T-A GOVERNMENT SPECIFICATION |
| Seat Type | GROUND-JOINT |
| Material | IRON OR STEEL TAILPIECE |
| Nominal Overall Length | 2.750 INCHES IN |
| Material | IRON OR STEEL THREAD PIECE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| 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 |
| Material | IRON OR STEEL NUT |
| Thread Series Designator | NPT ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Surface Treatment | ZINC OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FIG463-2INCH | Itt Fluid Technology Corp Itt Engineered Valves Div (USA) |
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| 694 | Stockham Valves and Fittings Inc (USA) |
| 1280 | Crane Co Div Valve Div (USA) |
| 10522-4 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| WWU531-18TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASMEB16.39-18-T-A PRIMARY | The American Society of Mechanical Engineers (USA) |
| PT18 | Universal-Grabler Corp (USA) |
NSN 4730-00-240-1679 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-240-1679 has 8 cross-referenced part numbers: FIG463-2INCH (Itt Fluid Technology Corp Itt Engineered Valves Div), ASME-B16.39 (The American Society of Mechanical Engineers), 694 (Stockham Valves and Fittings Inc), 1280 (Crane Co Div Valve Div), 10522-4 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems) and 3 more.
There are 12 known substitutes for 4730-00-240-1679: 5935-00-070-3589, 4820-00-073-0510, 5950-00-147-9572 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASMEB16.39-18-T-A: Style Designator: SCREWED; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; 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 CASTM A675 ASSN STD 1ST MATERIAL RESPONSE TAILPIECE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE. 26 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-240-1679 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.