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National Stock Number:
4730-00-119-9859
Federal Supply Class:
4730
National Item Identification Number:
001199859
Description:
ELBOW,BOSS
Detail:
A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. THE BOSS CONNECTIONS HAVE EXTERNAL AND/OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE OR HEEL INLET(S). IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES ELBOW, TUBE.
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Manufacturer Information:
| 494424D | 82386 | JAIDINGER MANUFACTURING CO INC | | 4944D24 | 71563 | COLLINS ENGINEERING CORP | | 4944D24 | 82386 | JAIDINGER MANUFACTURING CO INC | | 80168-2622 | 82386 | JAIDINGER MANUFACTURING CO INC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | MATERIAL | ALUMINUM ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE INSIDE | | ANODIZE OUTSIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE | | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UN 1ST END | | NOMINAL THREAD SIZE | 1.875 INCHES 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD CLASS | 3B 1ST END | | LEG LENGTH | 2.031 INCHES NOMINAL 1ST END | | FLOW ANGLE | 90.0 DEGREES | | SPECIAL FEATURES | SUPPORTS GRUMMAN A-10 AIRCRAFT |
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