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National Stock Number:
4730-01-194-5149
Federal Supply Class:
4730
National Item Identification Number:
011945149
Description:
ADAPTER,STRAIGHT,FLANGE TO BOSS
Detail:
AN ADAPTER HAVING A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A FLANGE OR FLANGE FITTING TO BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE.
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Manufacturer Information:
| 75A550663 | 76301 | THE BOEING COMPANY | | 75A550663-2001 | 76301 | THE BOEING COMPANY | | 75A550663-2003 | 03296 | NMC GROUP, INC. | | 75A550663-2003 | 0PXV4 | THE BOEING COMPANY | | 75A550663-2003 | 58078 | AIRTRONICS, LLC | | 75A550663-2001 | 88314 | MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS-TULSA | | 75A550663-2003 | 72429 | MISSION SYSTEMS DAVENPORT INC. | | 75A550663-2003 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION TYPE | FLANGE 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CRITICALITY CODE JUSTIFICATION | FEAT | | FURNISHED ITEMS AND QUANTITY | 1 PREFORMED PACKING | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND 1ST END | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6411 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL OUTSIDE DIAMETER | 3.750 INCHES 1ST END | | NOMINAL THICKNESS | 0.100 INCHES 1ST END | | NOMINAL OVERALL LENGTH | 2.375 INCHES | | NOMINAL THREAD SIZE | 2.500 INCHES 2ND END | | SPECIAL FEATURES | THD INT ON FLANGE END 2.125-12UNJ-3B LH;FLIGHT SAFETY CRITICAL | | THREAD CLASS | 3A 2ND END | | THREAD SERIES DESIGNATOR | UNJ 2ND END | | THREAD QUANTITY PER INCH | 12 2ND END |
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