| Item Name | Coupling 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) | 00-639-9167 (006399167) |
| NCB Code | USA (00) |
| Manufacturer | Komatsu American Intl Co, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 148.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| 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 | 0.250 INCHES 1ST END |
| CWFR | NOMINAL OVERALL LENGTH | 1.060 INCHES |
| MATT | MATERIAL | IRON OVERALL OR IRON ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 1ST RESPONSE |
| STYL | STYLE DESIGNATOR | PLAIN |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81348-WW521 GOVERNMENT SPECIFICATION |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| Relevant Components for NSN - 4730-00-639-9167, 4730006399167 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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