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) | 01-031-0516 (010310516) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, American Society Of Mechanical |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WWU531-12TA | federal specifications | union pipe | RFQ |
| ASME B16.39-12TA | american society of mechanical | union pipe | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| BYJF | SEAT TYPE | GROUND-JOINT |
| CQGM | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |
| CWFR | NOMINAL OVERALL LENGTH | 1.610 INCHES |
| FEAT | SPECIAL FEATURES | SUPPORTS 1025-01-026-6648;HOWITZER,MED TOWED 155-MM,M198 |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | IRON OR STEEL NUT |
| MATT | MATERIAL | IRON OR STEEL TAILPIECE |
| MATT | MATERIAL | IRON OR STEEL THREAD PIECE |
| MDCL | 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 S |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CALSS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SCREWED |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81348-WW-U-531 GOVERNMENT SPECIFICATION |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND B TYPE |
| Relevant Components for NSN - 4730-01-031-0516, 4730010310516 | ||||
| 4720-00-906-9886 (4720009069886) | 4730-00-082-5929 (4730000825929) | 4720-00-405-6354 (4720004056354) | 4730-01-189-5520 (4730011895520) | |
| 4720-99-052-0970 (4720990520970) | 4720-01-198-9803 (4720011989803) | 4710-01-434-3220 (4710014343220) | 4730-00-202-8098 (4730002028098) | |
| 4730-01-415-3256 (4730014153256) | 4730-01-058-2167 (4730010582167) | 4730-01-590-9027 (4730015909027) | 4730-01-017-8286 (4730010178286) | |
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