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National Stock Number:
5306-01-249-4170
Federal Supply Class:
5306
National Item Identification Number:
012494170
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:
| 39735 | 07RP9 | JOINT OIL ANALYSIS PROGRAM DBA DEPARTMENT OF DEFENSE | | 39735 | 96916 | FLEET READINESS CENTER EAST DIV DEPARTMENT OF NAVY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.460 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | FASTENER LENGTH | 0.970 INCHES MINIMUM AND | | 1.000 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 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | COUNTERBORE THREADED | | CONCENTRIC HOLE DIAMETER | 0.213 INCHES NOMINAL | | THREAD SERIES | UNF COUNTERBORE | | NOMINAL THREAD SIZE | 0.250 INCHES COUNTERBORE | | THREADS PER INCH | 28 COUNTERBORE | | INTERNAL THREAD CLASS | 3B COUNTERBORE | | INTERNAL THREAD LENGTH | 0.195 INCHES MINIMUM AND | | 0.205 INCHES MAXIMUM COUNTERBORE | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.290 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND | | 0.079 INCHES MAXIMUM |
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