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National Stock Number:
5306-00-641-9445
Federal Supply Class:
5306
National Item Identification Number:
006419445
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:
| BP62017 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | | BP62017 | 31550 | L3HARRIS TECHNOLOGIES, INC. | | BP62017ISSUE3 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | | BP62017ISSUE3 | 31550 | L3HARRIS TECHNOLOGIES, INC. | | SCB84364 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 0.281 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.124 INCHES NOMINAL | | FASTENER LENGTH | 0.406 INCHES NOMINAL | | HEAD HEIGHT | 0.114 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 2B CONCENTRIC HOLE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL COUNTERBORE | | MATERIAL | COPPER ALLOY 360 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.164 INCHES COUNTERBORE | | SPECIAL FEATURES | WASHER FACE 0.500 IN. DIA BY 0.010 IN. DEEP AND TWO 0.093 IN. DIA BY 0.050 IN. DEEP HOLES ON 0.343 IN. CENTER SPACED 180 DEG APART ON WASHER FACE | | STYLE DESIGNATOR | COUNTERBORE THREADED | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE | | THREAD QUANTITY PER INCH | 28 | | THREADS PER INCH | 32 COUNTERBORE | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
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