The Union,pipe, cataloged under National Stock Number 4730-00-266-3907, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 4730-00-266-3907 |
| Primary Part Number | WW-V-531-05TA |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| 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 |
| Style Designator | SCREWED |
| Reducer Type | CONCENTRIC |
| Coupling Flange Shape | HEXAGON |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Nominal Overall Length | 2.060 INCHES IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material | COPPER ALLOY SEAT |
| Seat Type | GROUND-JOINT |
| Connection Type | THREADED INTERNAL 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 STM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Material | IRON OR STEEL NUT |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Specification/standard Data | 81348-WW-U-531 GOVERNMENT SPECIFICATION |
| Material | IRON OR STEEL TAILPIECE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Nondefinitive Spec/std Data | 1 CLASS AND A TYPE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Material | IRON OR STEEL 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 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 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WW-V-531-05TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| WW-U-531-05TB | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| WWU531-05TA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASME B16.39 | Kysor/dexter Lock Div of Kysor Industrial Corp (USA) |
| PT1280 | Crane Co Div Valve Div (USA) |
NSN 4730-00-266-3907 is a Union,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-266-3907 has 5 cross-referenced part numbers: WW-V-531-05TA (Federal Specifications Promulgated by General Services Administration Washington DC), WW-U-531-05TB (Federal Specifications Promulgated by General Services Administration Washington DC), WWU531-05TA (Federal Specifications Promulgated by General Services Administration Washington DC), ASME B16.39 (Kysor/dexter Lock Div of Kysor Industrial Corp), PT1280 (Crane Co Div Valve Div).
There are 12 known substitutes for 4730-00-266-3907: 4730-00-240-1670, 4730-00-240-1671, 4730-00-240-1672 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WW-V-531-05TA: 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; Style Designator: SCREWED; Reducer Type: CONCENTRIC; Coupling Flange Shape: HEXAGON. 25 total characteristics are documented in the Federal Logistics Information System.