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National Stock Number:
4730-00-188-8031
Federal Supply Class:
4730
National Item Identification Number:
001888031
Description:
REDUCER,BOSS
Detail:
A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes BUSHING (as modified).
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Manufacturer Information:
| 8168990 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | AN893-2 | 00624 | EATON AEROQUIP LLC | | AN893-2 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN893-2 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN893-2 | 14397 | FABER ENTERPRISES, INC. | | AN893-2 | 14798 | DESIGNED METAL CONNECTIONS INC | | AN893-2 | 22995 | CROWN FITTING CO INC | | AN893-2 | 30974 | AEROFIT, LLC | | AN893-2 | 71563 | COLLINS ENGINEERING CORP | | AN893-2 | 81350 | JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | AN893-2 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN893-2 | R1120 | SATAIR A/S |
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Techincal Specification:
| MATERIAL | STEEL COMP 1137 OR | | STEEL COMP 1141 OVERALL | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM INSIDE | | CADMIUM OUTSIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE | | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNF 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.562 INCHES 2ND END | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | NOMINAL OVERALL LENGTH | 1.109 INCHES | | REDUCER TYPE | CONCENTRIC | | SPECIAL FEATURES | THREE 0.065 IN.MIN,0.075 IN.MAX DIA HOLES DRILLED THROUGH HEX CORNERS,0.344 IN.FROM FIRST END | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN893-2 |
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