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National Stock Number:
5306-00-593-1551
Federal Supply Class:
5306
National Item Identification Number:
005931551
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| S6135-20678 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | S6135-20678 | K0058 | LEONARDO MW LTD | | S6135-20678-000 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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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 | 0.225 INCHES MINIMUM AND | | 0.235 INCHES MAXIMUM | | FASTENER LENGTH | 0.440 INCHES MINIMUM AND | | 0.450 INCHES MAXIMUM | | MATERIAL | ALUMINUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND | | 0.172 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.081 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.187 INCHES MINIMUM AND | | 0.197 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.090 INCHES NOMINAL |
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