|
|
|
National Stock Number:
5306-00-517-5530
Federal Supply Class:
5306
National Item Identification Number:
005175530
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.
|
Manufacturer Information:
| 5175530 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.959 INCHES MINIMUM | | FASTENER LENGTH | 5.125 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 8640 OR | | STEEL COMP 1045 OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | STYLE DESIGNATOR | COUNTERBORE THREADED | | SHOULDER DIAMETER | 1.498 INCHES MINIMUM AND | | 1.499 INCHES MAXIMUM | | SHOULDER LENGTH | 3.960 INCHES MINIMUM AND | | 3.970 INCHES MAXIMUM | | CONCENTRIC HOLE DEPTH | 2.625 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | THREAD SERIES | UNF FIRST HOLE | | INTERNAL THREAD LENGTH | 0.375 INCHES NOMINAL COUNTERBORE | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 2.000 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.813 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.188 INCHES NOMINAL FIRST HOLE | | SPECIAL FEATURES | CHAMFER 0.031 IN. LG BY 45.0 DEG ON BOTH ENDS OF DRILLED HOLE |
|
|