The Union,pipe, cataloged under National Stock Number 4730-00-240-1672, 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 9 commercial cross-references from 6 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 | 4730-00-240-1672 |
| Primary Part Number | ASMEB16.39-08-T-A |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Material | IRON OR STEEL NUT |
| Nominal Overall Length | 2.750 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Style Designator | SCREWED |
| Thread Series Designator | NPT ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Seat Type | GROUND-JOINT |
| 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 |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Material | IRON OR STEEL THREAD PIECE |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| 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 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 ANS1 G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE |
| Material | IRON OR STEEL TAILPIECE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASMEB16.39-08-T-A PRIMARY | The American Society of Mechanical Engineers (USA) |
| WA22861 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| B16.39-08-T-A | The American Society of Mechanical Engineers (USA) |
| WWU531-08TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B16.39 | The American Society of Mechanical Engineers (USA) |
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| PT18 | Universal-Grabler Corp (USA) |
| 13218E0476-8TA | Cecom Lr Center (USA) |
| PT1280 | Crane Co Div Valve Div (USA) |
NSN 4730-00-240-1672 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-240-1672 has 9 cross-referenced part numbers: ASMEB16.39-08-T-A (The American Society of Mechanical Engineers), WA22861 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), B16.39-08-T-A (The American Society of Mechanical Engineers), WWU531-08TA (Federal Specifications Promulgated by General Services Administration Washington DC), B16.39 (The American Society of Mechanical Engineers) and 4 more.
There are 12 known substitutes for 4730-00-240-1672: 6130-00-197-1990, 4730-00-240-1670, 4730-00-240-1671 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASMEB16.39-08-T-A: Media for Which Designed: STEAM FIRST RESPONSE; Nominal Thread Size: 2.000 INCHES ALL ENDS IN; Material: IRON OR STEEL NUT; Nominal Overall Length: 2.750 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-240-1672 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.