The Union,pipe, cataloged under National Stock Number 4730-00-240-1676, 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 10 commercial cross-references from 8 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 | 4730-00-240-1676 |
| Primary Part Number | ASMEB16.39-15-T-A |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Reducer Type | CONCENTRIC |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Specification/standard Data | 81348-WW-U-531 GOVERNMENT SPECIFICATION |
| Seat Type | GROUND-JOINT |
| Coupling Flange Shape | HEXAGON |
| Nondefinitive Spec/std Data | B TYPE AND 1 CLASS |
| Material | IRON OR STEEL TAILPIECE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Material | IRON OR STEEL NUT |
| 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 |
| 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 ANSIG49.1 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 Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | SCREWED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | COPPER ALLOY SEAT |
| Surface Treatment | ZINC OVERALL |
| Material | IRON OR STEEL THREAD PIECE |
| 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 TAILPIECE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Nominal Overall Length | 2.060 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PT18 | Universal-Grabler Corp (USA) |
| 694SIZE1IN | Stockham Valves and Fittings Inc (USA) |
| ASMEB16.39-15-T-A PRIMARY | The American Society of Mechanical Engineers (USA) |
| WWU531-15TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 10522-2 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| 694-1IN | Republic Supply Co of California the (USA) |
| 1280 | Crane Co Div Valve Div (USA) |
| 5914A8CG | Hamilton Sundstrand Corporation (USA) |
| PT1280 | Crane Co Div Valve Div (USA) |
NSN 4730-00-240-1676 is a Union,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-240-1676 has 10 cross-referenced part numbers: PT18 (Universal-Grabler Corp), 694SIZE1IN (Stockham Valves and Fittings Inc), ASMEB16.39-15-T-A (The American Society of Mechanical Engineers), WWU531-15TA (Federal Specifications Promulgated by General Services Administration Washington DC), 10522-2 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems) and 5 more.
There are 12 known substitutes for 4730-00-240-1676: 6130-00-197-1990, 5999-00-224-5853, 4730-00-240-1670 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASMEB16.39-15-T-A: Reducer Type: CONCENTRIC; Nominal Thread Size: 1.000 INCHES ALL ENDS IN; Specification/standard Data: 81348-WW-U-531 GOVERNMENT SPECIFICATION; Seat Type: GROUND-JOINT. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-240-1676 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.