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National Stock Number:
5306-01-318-3286
Federal Supply Class:
5306
National Item Identification Number:
013183286
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:
| 147C608H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 147C608H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNF COUNTERBORE | | NOMINAL THREAD SIZE | 0.190 INCHES COUNTERBORE | | THREADS PER INCH | 32 COUNTERBORE | | INTERNAL THREAD CLASS | 2B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL COUNTERBORE | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 1.500 INCHES NOMINAL | | HEAD HEIGHT | 0.260 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.785 INCHES NOMINAL | | FASTENER LENGTH | 2.120 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 COND. A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | STYLE DESIGNATOR | COUNTERBORE THREADED | | SHOULDER DIAMETER | 1.000 INCHES NOMINAL | | SHOULDER LENGTH | 1.240 INCHES NOMINAL | | CONCENTRIC HOLE DEPTH | 0.310 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.159 INCHES MINIMUM AND | | 0.164 INCHES MAXIMUM |
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