AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Union Pipe |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 00-287-0168 (002870168) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Libby Power Systems Llc, The Walworth Company, Itt Grinnell Corp, Crane Corp, American Society Of Mechanical, Flagg Stanley G And Co Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WW-U-531 | federal specifications | union pipe | RFQ |
| 34-4001-3 | libby power systems llc | union pipe | RFQ |
| 7320-3IN | the walworth company | union pipe | RFQ |
| 463-3INBLK | itt grinnell corp | union pipe | RFQ |
| 1280-3INBLK | crane corp | union pipe | RFQ |
| ASMEB16.39-55-T-A | american society of mechanical | union pipe | RFQ |
| 463 3IN | itt grinnell corp | union pipe | RFQ |
| 1601-500BLK | flagg stanley g and co inc | union pipe | RFQ |
| WWU53155TA | federal specifications | union pipe | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES ALL ENDS |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| BYJF | SEAT TYPE | GROUND-JOINT |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 3.000 INCHES ALL ENDS |
| CQNM | COUPLING FLANGE SHAPE | HEXAGON |
| CWFR | NOMINAL OVERALL LENGTH | 3.500 INCHES |
| MATT | MATERIAL | IRON OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | THREADED |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81348-WW-U-531 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 CLASS |
| Relevant Components for NSN - 4730-00-287-0168, 4730002870168 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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