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National Stock Number:
5306-00-637-8665
Federal Supply Class:
5306
National Item Identification Number:
006378665
Description:
BOLT,INTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
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Manufacturer Information:
| 11735 | 73370 | HONEYWELL INTERNATIONAL INC DBA HONEYWELL DIV CONSUMER PRODUCTS GROUP | | 1A7653 | 95201 | NAPCO INTERNATIONAL LLC | | 42846A | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC | | 25794 | 64829 | ARVINMERITOR INC | | 25794 | 76040 | MACK TRUCKS INC PARTS OPN | | 2A7275 | 95201 | NAPCO INTERNATIONAL LLC | | 5323536 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 7340258 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 48F22 | 23382 | FWD SEAGRAVE HOLDINGS LP | | 42846A | 28265 | HERCULES ENGINE CO INC | | 532A6 | 56442 | DIAMOND REO TRUCK CO | | BB3410 | 56442 | DIAMOND REO TRUCK CO |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 2.875 INCHES NOMINAL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 3B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.875 INCHES NOMINAL COUNTERBORE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | NOMINAL THREAD SIZE | 0.188 INCHES COUNTERBORE | | SHOULDER DIAMETER | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | SHOULDER LENGTH | 0.438 INCHES NOMINAL | | SPECIAL FEATURES | FURNISHED WITH 1.250 IN. DIA WASHER FACE ON HEAD 0.031 IN. THICK AND 0.062 IN W UNDERCUT 0.010 IN. DEEP BETWEEN HEAD AND SHOULDER | | WIDTH BETWEEN FLATS | 1.188 INCHES MINIMUM AND 1.375 INCHES MAXIMUM | | STYLE DESIGNATOR | COUNTERBORE THREADED | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES | UNF COUNTERBORE | | THREADS PER INCH | 18 COUNTERBORE |
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