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National Stock Number:
5306-01-310-9240
Federal Supply Class:
5306
National Item Identification Number:
013109240
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:
| 2431-294-2 | 11871 | RECON/OPTICAL, INC. | | 2431-294-2 | 80294 | BOURNS INSTRUMENTS INC | | 2431-294-2 | 93706 | RECON/OPTICAL, INC. DBA PACIFIC OPTICAL |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 0.880 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.150 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.150 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM | | SHOULDER LENGTH | 0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM | | SPECIAL FEATURES | GBOLT HAS TWO UNDERCUTS; FIRST UNDERCUT LOCATED BENEATH THE HEAD BEARING SURFACE IS 0.030 IN. LONG AND 0.240 IN. DIA.; SECOND UNDERCUT LOCATED BENEATH THE SHOULDER IS 0.060 IN. LONG AND 0.149 IN. DIA. | | WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.390 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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