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National Stock Number:
4730-00-788-4349
Federal Supply Class:
4730
National Item Identification Number:
007884349
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:
| 32-58280-5 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 4.000 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.281 INCHES 1ST END | | BOLT HOLE QUANTITY | 6 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THICKNESS | 0.130 INCHES 1ST END | | NOMINAL THREAD SIZE | 3.125 INCHES 2ND END | | THREAD CLASS | 2A 2ND END | | THREAD SERIES DESIGNATOR | UN 2ND END | | THREAD QUANTITY PER INCH | 12 2ND END |
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