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National Stock Number:
4730-01-472-4438
Federal Supply Class:
4730
National Item Identification Number:
014724438
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:
| 10639970-4 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | A-7901 | 22031 | AIR-WAY MANUFACTURING COMPANY | | F6802-4-4 | 22031 | AIR-WAY MANUFACTURING COMPANY | | F6802-4-4-NW-WITH-FLARE-O-O-RING | 22031 | AIR-WAY MANUFACTURING COMPANY |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | LEG LENGTH | 0.592 INCHES NOMINAL 1ST END | | LEG LENGTH | 0.700 INCHES NOMINAL 2ND END | | MATERIAL | STEEL COMP 12L14 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ADJUSTABLE ELBOW | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.153 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | SEAT ANGLE | 45.0 DEGREES CENTER BULKHEAD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633.1 ASSN STD ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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