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National Stock Number:
5306-01-206-8405
Federal Supply Class:
5306
National Item Identification Number:
012068405
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:
| 123WM10111-621 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123WM10111-621 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.361 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | FASTENER LENGTH | 0.885 INCHES MINIMUM AND | | 0.915 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8735 OR | | STEEL COMP 6150 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | THREAD SERIES | UNJF CONCENTRIC HOLE | | NOMINAL THREAD SIZE | 0.190 INCHES CONCENTRIC HOLE | | THREADS PER INCH | 32 CONCENTRIC HOLE | | INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE | | INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE | | INTERNAL THREAD LENGTH | 0.393 INCHES MINIMUM AND | | 0.413 INCHES MAXIMUM CONCENTRIC HOLE | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.531 INCHES NOMINAL | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | SPECIAL FEATURES | TORQUE SLOT IN HEAD 0.080 INCH MIN,0.084 INCH MAX DIA |
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